ClassID:

142824

F04B23/04 - CPC Classification

Classification description:

Pumping installations or systems Combinations of two or more pumps

Sub-classes:
Recent Application in this class:
#1
20260078752
2026-03-19

COOLANT DISTRIBUTION UNIT SOFT START PUMP CONTROLS

#2
20260071523
2026-03-12

ELECTRICALLY POWERED PUMPING UNIT WITH REMOVABLE PUMP MODULES

#3
20260049544
2026-02-19

SYSTEMS AND METHODS TO OPERATE HYDRAULIC FRACTURING UNITS USING AUTOMATIC FLOW RATE AND/OR PRESSURE CONTROL

#4
20260022696
2026-01-22

Parallel Pumping Controller with Load Sharing and Systems Including the Same

#5
20260010146
2026-01-08

METHOD FOR EQUIPMENT CONTROL

#6
20250369435
2025-12-04

BOOSTER PUMP CONTROL SYSTEM

#7
20250305494
2025-10-02

PUMP SYSTEM, REFRIGERANT CIRCULATION DEVICE, AND CONTROL DEVICE

#8
20250283456
2025-09-11

SECONDARY SUMP PUMP SHELF SYSTEM

#9
20250277485
2025-09-04

PUMP HAVING A FLANGE FOR MOUNTING AN AUXILIARY PUMP

#10
20250277484
2025-09-04

MODULAR PUMP/MOTOR ASSEMBLY

#11
20250271789
2025-08-28

PUMP UNIT AND AIR SUPPLY DEVICE

#12
20250241225
2025-07-31

TREATMENT DEVICE LIQUID DELIVERY SYSTEM

#13
20250238019
2025-07-24

METHOD FOR EQUIPMENT CONTROL

#14
20250230810
2025-07-17

EXPANDABLE, INNER LINER PUMP

#15
20250223896
2025-07-10

Cable Management of Electric Powered Hydraulic Fracturing Pump Unit

#16
20250180006
2025-06-05

Method To Smooth Pump Rate While Fracturing

#17
20250163918
2025-05-22

IN-LINE PUMPING APPARATUS, SYSTEM, AND METHOD FOR INCREASING LIQUID FLOW IN GRAVITY NETWORKS

#18
20250146396
2025-05-08

FLOW CROSS JUNCTIONS FOR A MANIFOLD OF A HYDRAULIC FRACTURING SYSTEM AND RELATED METHODS

#19
20250109744
2025-04-03

CENTRAL PLANT SYSTEM WITH AUTOMATED SYSTEM CURVES CALIBRATION FOR PUMPS

#20
20250067259
2025-02-27

BOOSTER PUMP CONTROLLER AND METHOD OF USE

#21
20250052127
2025-02-13

CLOSING UNIT SYSTEM FOR A BLOWOUT PREVENTER

#22
20250034976
2025-01-30

FLUID COUPLING ASSEMBLIES FOR A MANIFOLD OF A HYDRAULIC FRACTURING SYSTEM AND RELATED METHODS

#23
20240384636
2024-11-21

SYSTEMS AND METHODS TO AUTONOMOUSLY OPERATE HYDRAULIC FRACTURING UNITS

#24
20240376878
2024-11-14

ASSEMBLY FOR COMPRESSING GAS, METHOD FOR COOLING, AND USE OF SUCH AN ASSEMBLY

#25
20240368972
2024-11-07

Systems and methods to operate hydraulic fracturing units using automatic flow rate and/or pressure control

#26
20240356314
2024-10-24

SWITCHGEAR LOAD SHARING FOR OIL FIELD EQUIPMENT

#27
20240352841
2024-10-24

ELECTRICALLY POWERED PUMPING UNIT WITH REMOVABLE PUMP MODULES

#28
20240344440
2024-10-17

METHODS AND SYSTEMS FOR OPERATING A FLEET OF PUMPS

#29
20240344439
2024-10-17

Flow cross junctions for a manifold of a hydraulic fracturing system and related methods

#30
20240337178
2024-10-10

Fluid coupling assemblies for a manifold of a hydraulic fracturing system and related methods

#31
20240328436
2024-10-03

METHOD AND APPARATUS FOR GENERATING HYDRAULIC POWER IN AN AIRCRAFT

#32
20240318646
2024-09-26

ELECTRONIC PRESSURE CONTROL OF DUAL PUMP SYSTEM

#33
20240316585
2024-09-26

Fluid delivery system

#34
20240295218
2024-09-05

FLEXIBLE MOTOR PUMP SYSTEM

#35
20240288051
2024-08-29

Multi-Plunger Pumps and Associated Drive Systems

#36
20240287984
2024-08-29

REFRIGERANT CIRCULATION DEVICE AND PUMP UNIT

#37
20240280097
2024-08-22

SYSTEMS AND METHODS OF UTILIZATION OF A HYDRAULIC FRACTURING UNIT PROFILE TO OPERATE HYDRAULIC FRACTURING UNITS

#38
20240247646
2024-07-25

MOBILE FRACTURING PUMP TRANSPORT FOR HYDRAULIC FRACTURING OF SUBSURFACE GEOLOGICAL FORMATIONS

#39
20240228258
2024-07-11

SYSTEM AND METHOD FOR GENERATING A DRIVE SIGNAL

#40
20240209721
2024-06-27

Flow cross junctions for a manifold of a hydraulic fracturing system and related methods

#41
20240209719
2024-06-27

ELECTRIC POWERED PUMP DOWN

#42
20240207760
2024-06-27

Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device

#43
20240191716
2024-06-13

In-line pumping apparatus, system and method for increasing liquid flow in gravity networks

#44
20240184270
2024-06-06

Method for equipment control

#45
20240151220
2024-05-09

HOLDER FOR FASTENING A PUMP

#46
20240133382
2024-04-25

CAN SYSTEM AND DUAL ELECTRIC SUBMERSIBLE PUMP DEVICE

#47
20240102359
2024-03-28

LIQUID-COOLED FRACTURING SYSTEM

#48
20240093583
2024-03-21

POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS

#49
20240077071
2024-03-07

Fracturing operations pump fleet balance controller

#50
20240060407
2024-02-22

Cable management of electric powered hydraulic fracturing pump unit

#51
20240026868
2024-01-25

Engagement and Disengagement With External Gear Box Style Pumps

#52
20240026764
2024-01-25

Method to optimize hydraulic fracturing spread with electric pumps

#53
20240018956
2024-01-18

FLUID CONTROL DEVICE AND OUTPUT ADJUSTMENT METHOD

#54
20240018859
2024-01-18

METHOD TO IMPROVE EFFICIENCY OF HYDRAULIC FRACTURING SPREAD WITH ELECTRIC PUMPS

#55
20240011477
2024-01-11

PUMP MOTOR PREDICTIVE MAINTENANCE

#56
20240009594
2024-01-11

System for preparing solutions for chromatography

#57
20240003342
2024-01-04

MICROFLUIDIC FLOW RATE CONTROL DEVICE AND METHOD

#58
20230418314
2023-12-28

PUMP MANIFOLD WITH REDUNDANCY FOR GAS EXTRACTION SYSTEM

#59
20230383736
2023-11-30

Dual pump fuel systems

#60
20230374979
2023-11-23

MODULAR PUMP/MOTOR ASSEMBLY

#61
20230366450
2023-11-16

Multi-plunger pumps and associated drive systems

#62
20230366390
2023-11-16

DUPLEX CONTROL OF REDUNDANT PASSIVELY-ACTUATED ELECTRONIC DEVICES

#63
20230358583
2023-11-09

METHOD AND HIGH-PRESSURE SYSTEM FOR DETERMINING A FLOW CONTROL VARIABLE OF A FLUID FLOW FLOWING THROUGH A HIGH-PRESSURE-SIDE HIGH-PRESSURE PUMP OUTLET OF A HIGH-PRESSURE PUMP

#64
20230358220
2023-11-09

PUMP HAVING A FLANGE FOR MOUNTING AN AUXILIARY PUMP

#65
20230338978
2023-10-26

Fluid delivery system

#66
20230332593
2023-10-19

Expandable, inner liner pump

#67
20230313654
2023-10-05

Systems and methods to autonomously operate hydraulic fracturing units

#68
20230313630
2023-10-05

Closing unit system for a blowout preventer

#69
20230304487
2023-09-28

DIAPHRAGM POSITION CONTROL SYSTEM

#70
20230303381
2023-09-28

System and method for generating a drive signal

#71
20230287880
2023-09-14

OPERATING MULTIPLE FRACTURING PUMPS TO DELIVER A SMOOTH TOTAL FLOW RATE TRANSITION

#72
20230287776
2023-09-14

Controlling fluid pressures at multiple well heads for continuous pumping

#73
20230266747
2023-08-24

Method for equipment control

#74
20230258049
2023-08-17

Closing unit system for a blowout preventer

#75
20230235736
2023-07-27

Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units

#76
20230228179
2023-07-20

Systems and methods to autonomously operate hydraulic fracturing units

#77
20230203927
2023-06-29

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#78
20230193894
2023-06-22

Dual pump smart control system

#79
20230193704
2023-06-22

Test apparatus for measuring particle plugging of a simulated fracture

#80
20230184074
2023-06-15

Methods and systems for operating a fleet of pumps

#81
20230175512
2023-06-08

METHOD FOR DETERMINING A PUMPED FLOW FROM A PUMP AND A FLOWMETER

#82
20230175373
2023-06-08

Methods and systems for operating a fleet of pumps

#83
20230155358
2023-05-18

Switchgear load sharing for oil field equipment

#84
20230141350
2023-05-11

Bioprocess System

#85
20230128365
2023-04-27

Systems and methods to autonomously operate hydraulic fracturing units

#86
20230123229
2023-04-20

System and method for a simplified high pressure monobore multiport pod missile

#87
20230120606
2023-04-20

Pumping systems

#88
20230112564
2023-04-13

Micro bi-Directional Valves and Systems

#89
20230105410
2023-04-06

DEVICES, SYSTEMS, AND METHODS FOR PROVIDING AND USING ONE OR MORE PUMPS IN AN ASSEMBLY LINE GROW POD

#90
20230079573
2023-03-16

Subsea pumping apparatuses and related methods

#91
20230066298
2023-03-02

Method for pumping foamed fluids into a well bore or subterranean formation

#92
20230060929
2023-03-02

Method for pumping foamed fluids into a well bore or subterranean formation

#93
20230055844
2023-02-23

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#94
20230030715
2023-02-02

Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site

#95
20230029138
2023-01-26

Pump system with clutches

#96
20230012783
2023-01-19

Method for equipment control

#97
20230003111
2023-01-05

Systems and methods to autonomously operate hydraulic fracturing units

#98
20220403836
2022-12-22

Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units

#99
20220403835
2022-12-22

FLUID CONTROL DEVICE

#100
20220372967
2022-11-24

On-demand dual variable displacement positive displacement pumping system

#101
20220333585
2022-10-20

MOBILE PUMP SYSTEM PROVIDED WITH COUPLED MOTOR DRIVE FOR PUMPING WATER AND METHOD THEREFOR

#102
20220325724
2022-10-13

In-line pumping apparatus, system and method for increasing liquid flow in gravity networks

#103
20220325226
2022-10-13

Method of actuation of an alternating tangential flow diaphragm pump

#104
20220316466
2022-10-06

Hydraulically Amplified Self-Healing Electrostatic (HASEL) Pumps

#105
20220299019
2022-09-22

BLOOD TREATMENT SYSTEM HAVING BACKFLOW PREVENTION

#106
20220282718
2022-09-08

Hydraulic pump system

#107
20220282204
2022-09-08

Method of actuation of an alternating tangential flow diaphragm pump

#108
20220266948
2022-08-25

Hydraulic automatic transmission bicycle

#109
20220235761
2022-07-28

Fluid control device

#110
20220213880
2022-07-07

Methods and systems for cooling a vacuum pump

#111
20220186589
2022-06-16

Split flow suction manifold

#112
20220136489
2022-05-05

Distributed in-field powered pumping configuration

#113
20220127129
2022-04-28

System and method for generating a drive signal

#114
20220120270
2022-04-21

Power-saving optimization operation method and switching point determining method for water pump unit

#115
20220113702
2022-04-14

Method for equipment control

#116
20220112889
2022-04-14

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#117
20220087119
2022-03-24

DEVICES, SYSTEMS, AND METHODS FOR PROVIDING AND USING ONE OR MORE VALVES IN AN ASSEMBLY LINE GROW POD

#118
20220074397
2022-03-10

PUMPING DEVICE, PLANT AND METHOD FOR SUPPLYING LIQUID HYDROGEN

#119
20220056900
2022-02-24

Piezoelectric pump casing and space arrangement

#120
20220056778
2022-02-24

Closing unit system for a blowout preventer

#121
20220049691
2022-02-17

Fluid machine system and method for controlling same

#122
20220034211
2022-02-03

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#123
20220034210
2022-02-03

Cable management of electric powered hydraulic fracturing pump unit

#124
20220030772
2022-02-03

HYDRAULIC MOTOR CONTROL SYSTEM AND METHOD

#125
20220018385
2022-01-20

Connectors for pumping assemblies and methods relating thereto

#126
20220018233
2022-01-20

SYSTEM FOR REDUCING VIBRATIONS IN A PRESSURE PUMPING FLEET

#127
20220003229
2022-01-06

Fracturing operations pump fleet balance controller

#128
20220003059
2022-01-06

Fracturing operations controller

#129
20210396121
2021-12-23

Oilfield pressure pumping system with slow speed and high pressure fracturing fluid output

#130
20210396118
2021-12-23

Systems and methods providing a configurable staged rate increase function to operate hydraulic fracturing units

#131
20210396116
2021-12-23

Systems and methods to autonomously operate hydraulic fracturing units

#132
20210388931
2021-12-16

System and method for a simplified high pressure monobore multiport pod missile

#133
20210388830
2021-12-16

Demand based hydraulic pump control system

#134
20210381501
2021-12-09

Hydraulic and control system for resin injection

#135
20210372405
2021-12-02

Vacuum pumping system having a plurality of positive displacement vacuum pumps and method for operating the same

#136
20210372394
2021-12-02

Operating multiple fracturing pumps to deliver a smooth total flow rate transition

#137
20210363979
2021-11-25

Dual-stage fluidics system with reduced pulsation

#138
20210355802
2021-11-18

Methods and systems for operating a fleet of pumps

#139
20210355801
2021-11-18

Methods and systems for operating a fleet of pumps

#140
20210340973
2021-11-04

Single motor-driven dual pump detachment monitoring algorithm

#141
20210332554
2021-10-28

HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF

#142
20210317826
2021-10-14

Selective fluid pumping system

#143
20210289670
2021-09-16

Package-type fluid machine

#144
20210287814
2021-09-16

Method of configuring liquid metal-cooled nuclear reactor with backflow electromagnetic pump (EMP)

#145
20210277887
2021-09-09

Pump installation member

#146
20210277760
2021-09-09

Enhancing subterranean formation stimulation and production using target downhole wave shapes

#147
20210236961
2021-08-05

Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device

#148
20210230987
2021-07-29

Hybrid hydraulic fracturing system

#149
20210215014
2021-07-15

Adjustable fracturing system

#150
20210207588
2021-07-08

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#151
20210172375
2021-06-10

Engine thermal management methods and control systems

#152
20210159677
2021-05-27

Switchgear load sharing for oil field equipment

#153
20210156375
2021-05-27

Pumping systems with fluid density and flow rate control

#154
20210156241
2021-05-27

Packaging and deployment of a frac pump on a frac pad

#155
20210153445
2021-05-27

DEVICES, SYSTEMS, AND METHODS FOR PROVIDING AND USING A PUMP CONTROL MODULE IN A MASTER CONTROLLER IN AN ASSEMBLY LINE GROW POD

#156
20210139829
2021-05-13

Modular organ microphysiological system with integrated pumping, leveling, and sensing

#157
20210115770
2021-04-22

Methods and systems for operating a fleet of pumps

#158
20210115649
2021-04-22

Hydraulic arrangement

#159
20210108644
2021-04-15

Electric oil pump having temperature sensors on circuit board and transmission to execute energization prohibition control of pump

#160
20210093983
2021-04-01

Bioprocess system

#161
20210079912
2021-03-18

Cooling sysytem mechanical pump diagnosis

#162
20210079902
2021-03-18

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#163
20210071673
2021-03-11

Drive protection and management method of a pressurization system

#164
20210054835
2021-02-25

Using a load sense pump as a backup for a pressure-compensated pump

#165
20210041009
2021-02-11

MULTI-PLUNGER PUMPS AND ASSOCIATED DRIVE SYSTEMS

#166
20210040830
2021-02-11

Automated control of hydraulic fracturing pumps

#167
20210033573
2021-02-04

Binary pump and liquid chromatograph provided with same

#168
20210033086
2021-02-04

Methods and systems for cooling a vacuum pump

#169
20210025382
2021-01-28

Wellsite electrical power management system

#170
20210017830
2021-01-21

Hydraulic fracturing system, apparatus, and method

#171
20210010363
2021-01-14

Wellbore hydraulic fracturing through a common pumping source

#172
20210010362
2021-01-14

Wellbore hydraulic fracturing through a pump operating in a damage avoidance mode

#173
20210010361
2021-01-14

Multiple wellbore hydraulic fracturing through a single pumping system

#174
20200400623
2020-12-24

FLUID MIXING BY FLUID SUPPLY LINES WITH LINE-SPECIFIC FLUID PUMPS FOR LIQUID CHROMATOGRAPHY

#175
20200378380
2020-12-03

Fluid control device

#176
20200378373
2020-12-03

Pump device

#177
20200377839
2020-12-03

Method of actuation of an alternating tangential flow diaphragm pump

#178
20200368742
2020-11-26

Inertial pump fluid dispensing

#179
20200355120
2020-11-12

Turbine chilling for oil field power generation

#180
20200332784
2020-10-22

DOUBLE-MOTOR DOUBLE-PUMP ELECTRIC DRIVE FRACTURING SEMI-TRAILER

#181
20200332631
2020-10-22

Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface

#182
20200319053
2020-10-08

Leak detector for checking sealing tightness of an object comprising a pumping device including a turbomolecular pump and first and second vacuum pumps having at least one first and second pumping stage wherein the outlet of the second vacuum pump is connected between pumping stages of the first vacuum pump

#183
20200284475
2020-09-10

Jet pump apparatus and methods for standing column well systems and deployment thereof

#184
20200263525
2020-08-20

Power sequencing for pumping systems

#185
20200256149
2020-08-13

Large bore plug valve

#186
20200248682
2020-08-06

Pumping Systems

#187
20200248539
2020-08-06

Integrated Pump and Compressor and Method of Producing Multiphase Well Fluid Downhole and at Surface

#188
20200240418
2020-07-30

Water pumping control device and system

#189
20200232454
2020-07-23

Automated pressure control system

#190
20200208626
2020-07-02

HORIZONTAL AND VERTICAL WELL FLUID PUMPING SYSTEM

#191
20200200181
2020-06-25

Oil control for climate-control system

#192
20200200160
2020-06-25

Oil control for climate-control system

#193
20200172199
2020-06-04

Hydraulic automatic transmission bicycle

#194
20200164389
2020-05-28

Hydro excavation vacuum apparatus having deceleration vessels and methods for hydro excavating a site

#195
20200149247
2020-05-14

Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site

#196
20200149246
2020-05-14

Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen

#197
20200149245
2020-05-14

Hydro excavation vacuum apparatus

#198
20200132237
2020-04-30

Mini-dampeners at pump combined with system pulsation dampener

#199
20200115986
2020-04-16

Hydraulic fracturing system, apparatus, and method

#200
20200088623
2020-03-19

System and method for providing stable fluid flow

#201
20200088187
2020-03-19

Linear hydraulic pump and its application in well pressure control

#202
20200072204
2020-03-05

Liquid delivery device and liquid chromatograph equipped with liquid delivery device

#203
20200056606
2020-02-20

Liquid feeding pump operation monitor

#204
20200049154
2020-02-13

Control device for general purpose engine

#205
20200040881
2020-02-06

Heat insulating vessel for low temperature liquefied gas pump

#206
20200040878
2020-02-06

Engagement and disengagement with external gear box style pumps

#207
20190390767
2019-12-26

Control mechanism for stepless transmission

#208
20190376507
2019-12-12

Optimal efficiency operation in parallel pumping system with machine learning

#209
20190376496
2019-12-12

Motor vehicle pump arrangement

#210
20190345920
2019-11-14

Modular pumping system

#211
20190345804
2019-11-14

Electric powered pump down

#212
20190336914
2019-11-07

Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination

#213
20190323497
2019-10-24

Multiple-compressor system with suction valve and method of controlling suction valve

#214
20190323490
2019-10-24

PUMPING ASSEMBLY

#215
20190316456
2019-10-17

Pulsed delivery of concentrated proppant stimulation fluid

#216
20190284972
2019-09-19

Lubrication liquid delivery methods and apparatus

#217
20190257298
2019-08-22

System comprising two or more pumps connected in parallel and a pressure switch conceived to operate in said system

#218
20190249754
2019-08-15

Multi-plunger pumps and associated drive systems

#219
20190249670
2019-08-15

Method and device for venting the suction side of a synthetically commutated hydraulic pump

#220
20190234171
2019-08-01

Hydraulic fracturing system, apparatus, and method

#221
20190232309
2019-08-01

Applicator having active backpressure control devices

#222
20190226473
2019-07-25

Pump station arrangement and method for removing harmful fluids from wastewater

#223
20190211814
2019-07-11

Distribution unit

#224
20190209797
2019-07-11

Micro bi-directional valves and systems

#225
20190203572
2019-07-04

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#226
20190176607
2019-06-13

Powertrain and a vehicle

#227
20190145257
2019-05-16

Hydraulic and control system for resin injection

#228
20190145237
2019-05-16

Pressure exchanger manifolding

#229
20190143818
2019-05-16

Pump system for vehicles

#230
20190120234
2019-04-25

Water pumping control device and system

#231
20190107106
2019-04-11

Fuel pump for pressurizing low pressure fuel suctioned into a pressurizing chamber and discharging high pressure fuel pressurized in the pressurizing chamber

#232
20190093433
2019-03-28

Integration of mud and cementing equipment systems

#233
20190085847
2019-03-21

Multi-pump system with system check

#234
20190085840
2019-03-21

Autonomous submersible pump

#235
20190063415
2019-02-28

Pumping apparatus, treatment solution supplying device, substrate treating apparatus, liquid draining method, and liquid replacing method

#236
20190048868
2019-02-14

Hydraulic control device

#237
20190048865
2019-02-14

Piston compressor with enlarged regulating region

#238
20190045727
2019-02-14

Electric tree felling head and associated control system for a forestry vehicle

#239
20190040859
2019-02-07

Method of actuation of an alternating tangential flow diaphragm pump

#240
20190040727
2019-02-07

System for reducing vibrations in a pressure pumping fleet

#241
20190024655
2019-01-24

Systems and methods for pump slip sensing

#242
20190022684
2019-01-24

Systems and methods for communication and control in fluid delivery systems

#243
20190022683
2019-01-24

Systems and methods for fluid ratio control

#244
20190017243
2019-01-17

Hydro excavation vacuum apparatus and fluid storage and supply systems thereof

#245
20190015766
2019-01-17

Cyclonic separation systems and hydro excavation vacuum apparatus incorporating same

#246
20190010833
2019-01-10

Method of fluid exchange and separation apparatus

#247
20190004499
2019-01-03

Model formation module for creating a model for controlling a pressure regulating system of a water supply network

#248
20180371993
2018-12-27

System and method for liquid air energy storage

#249
20180363976
2018-12-20

Booster system

#250
20180363639
2018-12-20

Electronic systems for controlling submersible pumps

#251
20180359966
2018-12-20

Devices, systems, and methods for providing and using one or more valves in an assembly line grow pod

#252
20180359965
2018-12-20

Devices, systems, and methods for providing and using one or more pumps in an assembly line grow pod

#253
20180359964
2018-12-20

Devices, systems, and methods for providing and using a pump control module in a master controller in an assembly line grow pod

#254
20180353876
2018-12-13

Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device

#255
20180347416
2018-12-06

Control device for electric motor and hydraulic pressure supply system

#256
20180346316
2018-12-06

Multiple pump system

#257
20180340526
2018-11-29

METHOD AND APPARATUS FOR COMMON PRESSURE AND OIL EQUALIZATION IN MULTI-COMPRESSOR SYSTEMS

#258
20180334893
2018-11-22

Cable management of electric powered hydraulic fracturing pump unit

#259
20180314270
2018-11-01

Load-sharing in parallel fluid pumps

#260
20180291911
2018-10-11

Whole home water appliance system

#261
20180274564
2018-09-27

Hydraulic circuit for use on CVT vehicle

#262
20180274446
2018-09-27

Turbine chilling for oil field power generation

#263
20180249763
2018-09-06

Evaporator unit for an inhaler

#264
20180216312
2018-08-02

Underwater trenching apparatus and pumping apparatus

#265
20180209430
2018-07-26

Remote pump managing device

#266
20180187662
2018-07-05

Frac manifold and systems

#267
20180183219
2018-06-28

Switchgear load sharing for oil field equipment

#268
20180180035
2018-06-28

SUBMERGED CRYOGENIC PUMP WITH A MAGNETIC LINEAR COUPLING

#269
20180149147
2018-05-31

Inline pump assembly and method

#270
20180110906
2018-04-26

Breast pump or other medical devices with dynamically adaptive pump configuration providing error detection and distinctive suction profile

#271
20180094633
2018-04-05

Pump, pump assembly and liquid cooling system

#272
20180087495
2018-03-29

Horizontal and vertical well fluid pumping system

#273
20180051689
2018-02-22

Modular multi-pump system with pressure control

#274
20180038210
2018-02-08

Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface

#275
20180029673
2018-02-01

Hybrid cargo handling method of oil tanker and cargo pump prime mover system for the method

#276
20180023240
2018-01-25

MOUNTING DAMPING DEVICE OF DOUBLE-HEAD DRAINAGE PUMP OF WASHING MACHINE

#277
20180008850
2018-01-11

Fire pump controller configured to control pressure maintenance in sprinkler systems

#278
20180003171
2018-01-04

Method and system for minimizing vibration in a multi-pump arrangement

#279
20180003170
2018-01-04

Pump arrangement and corresponding operating method

#280
20170370362
2017-12-28

Direct numeric affinity multistage pumps sensorless converter

#281
20170370199
2017-12-28

Hydraulic fracturing system, apparatus, and method

#282
20170370172
2017-12-28

Adjustable fracturing system

#283
20170363078
2017-12-21

Direct numeric 3D sensorless converter for pump flow and pressure

#284
20170321687
2017-11-09

Linear hydraulic pump and its application in well pressure control

#285
20170314380
2017-11-02

Electric powered pump down

#286
20170307075
2017-10-26

Actuator unit for controlling hydraulic pump

#287
20170307065
2017-10-26

Method for an open-loop and/or closed-loop control of a hydraulic system of a motor vehicle

#288
20170304517
2017-10-26

Blood purification device

#289
20170292485
2017-10-12

High pressure pump for complex injection engines

#290
20170291661
2017-10-12

Hydraulic automatic transmission bicycle

#291
20170268501
2017-09-21

System and method for multi-component mixture control

#292
20170265691
2017-09-21

Valvular conduit

#293
20170227525
2017-08-10

Modular organ microphysiological system with integrated pumping, leveling, and sensing

#294
20170222409
2017-08-03

Switchgear load sharing for oil field equipment

#295
20170219166
2017-08-03

Pump tower of liquefied gas storage tank

#296
20170218985
2017-08-03

Reducing noise double-channel oil pump

#297
20170218843
2017-08-03

Turbine chilling for oil field power generation

#298
20170217607
2017-08-03

Filling device

#299
20170211558
2017-07-27

High-pressure pump control unit

#300
20170208155
2017-07-20

Communication system having an array of pumps and method of use thereof