ClassID:

143104

F04B47/00 - CPC Classification

Classification description:

Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps

Sub-classes:
Recent Application in this class:
#1
20260125969
2026-05-07

ROD PUMP WITH NON-LOCKING ACTUATOR

#2
20260117765
2026-04-30

SEGMENTED FLUID END MODULE

#3
20260063119
2026-03-05

PUMP SYSTEM USING VARIABLE CONTROL OF A TORQUE REQUIREMENT OF A FLUID PUMP

#4
20260009381
2026-01-08

RECONFIGURABLE MULTI-STAGE GAS COMPRESSOR

#5
20260002532
2026-01-01

LUBRICATOR ASSEMBLY WITH FLANGE OR FLOW BLOCK MOUNTED CATCHER

#6
20250361802
2025-11-27

Hybrid Drive Systems for Well Stimulation Operations

#7
20250361702
2025-11-27

WELL PUMP HOUSING AND TRANSPORTATION SYSTEM

#8
20250334119
2025-10-30

FLUID END PLUG WITH BORE CLEARANCE

#9
20250283463
2025-09-11

PACKING ASSEMBLY WITH THREADED SLEEVE FOR INTERACTION WITH AN INSTALLATION TOOL

#10
20250223961
2025-07-10

MANIFOLD ASSEMBLY

#11
20250180028
2025-06-05

METHOD OF CONTROLLING A PUMP AND MOTOR

#12
20250035108
2025-01-30

LUBRICATOR ASSEMBLY WITH FLANGE OR FLOW BLOCK MOUNTED CATCHER

#13
20250003503
2025-01-02

Valve stop for use with a fluid end assembly

#14
20240426201
2024-12-26

Hybrid Drive Systems for Well Stimulation Operations

#15
20240410624
2024-12-12

SYSTEM FOR RESTORATION OF A SALTY BODY OF WATER THAT HARNESSES HYDRO, SOLAR, AND GEOTHERMAL ENERGY, TO BE USED IN REMOTE LOCATIONS AND DIFFERENT APPLICATIONS INCLUDING THE PRODUCTION OF DISTILLED WATER FROM A SALTY BODY OF WATER

#16
20240328291
2024-10-03

SYSTEM, APPARATUS AND METHOD FOR ARTIFICIAL LIFT, AND IMPROVED DOWNHOLE ACTUATOR FOR SAME

#17
20240328282
2024-10-03

ROD PUMP WITH NON-LOCKING ACTUATOR

#18
20240271617
2024-08-15

Manifold assembly

#19
20240167576
2024-05-23

ELASTIC GUIDED VALVE

#20
20240167470
2024-05-23

SYSTEM FOR MANAGING PUMP LOAD

#21
20240159232
2024-05-16

Electrical submersible pump control

#22
20240159134
2024-05-16

Hybrid drive systems for well stimulation operations

#23
20240077074
2024-03-07

Dual loop lubrication and thermal management system for pumps

#24
20240060484
2024-02-22

PREDICTING FRAC PUMP COMPONENT LIFE INTERVAL

#25
20230417131
2023-12-28

TORSIONAL COUPLING FOR ELECTRIC HYDRAULIC FRACTURING FLUID PUMPS

#26
20230332592
2023-10-19

System for managing pump load

#27
20230279761
2023-09-07

SYSTEMS AND METHODS TO MONITOR, DETECT, AND/OR INTERVENE RELATIVE TO CAVITATION AND PULSATION EVENTS DURING A HYDRAULIC FRACTURING OPERATION

#28
20230272792
2023-08-31

Detecting events in progressing cavity pump operation and maintenance based on anomaly and drift detection

#29
20230258291
2023-08-17

Manifold assembly

#30
20230184234
2023-06-15

Continuous magnetic positive displacement pump

#31
20230168007
2023-06-01

Self-contained in-ground geothermal generator and heat exchanger with in-line pump used in several alternative applications including the restoration of the Salton Sea

#32
20230167817
2023-06-01

PUMP WITH VALVE WITH MOVEABLE VALVE MEMBER

#33
20230142942
2023-05-11

LINEAR FRAC PUMP DRIVE SYSTEM SAFETY DEFLECTOR

#34
20230068188
2023-03-02

Method of controlling a pump and motor

#35
20230057264
2023-02-23

Method and system for predicting failures of sucker rod pumps using scaled load ratios

#36
20230039317
2023-02-09

RECONFIGURABLE MULTI-STAGE GAS COMPRESSOR

#37
20230035881
2023-02-02

System to monitor cavitation or pulsation events during a hydraulic fracturing operation

#38
20230003115
2023-01-05

Distributed diagnostics and control of a multi-unit pumping operation

#39
20220403839
2022-12-22

PACKING ASSEMBLY WITH THREADED SLEEVE FOR INTERACTION WITH AN INSTALLATION TOOL

#40
20220349399
2022-11-03

FLUID END PLUG WITH BORE CLEARANCE

#41
20220316465
2022-10-06

Submersible pump with barrier fluid isolation of motor lubricating liquid from pumped product

#42
20220315451
2022-10-06

Environmentally friendly sea water intake system

#43
20220307355
2022-09-29

System, apparatus and method for artificial lift, and improved downhole actuator for same

#44
20220282726
2022-09-08

Plunger pump base and plunger pump device

#45
20220282723
2022-09-08

Cyclic operating pumping method and system

#46
20220268270
2022-08-25

Pumping unit engine speed oscillation detection and mitigation

#47
20220260072
2022-08-18

Hybrid drive systems for well stimulation operations

#48
20220260071
2022-08-18

Hybrid drive systems for well stimulation operations

#49
20220186723
2022-06-16

HIGH PRESSURE PUMP WITH SEPARATE CLEAN AND DIRTY FLUID CIRCUITS

#50
20220178238
2022-06-09

Hydraulic fracturing control assembly to detect pump cavitation or pulsation

#51
20220178237
2022-06-09

Systems and methods to monitor, detect, and/or intervene relative to cavitation and pulsation events during a hydraulic fracturing operation

#52
20220178234
2022-06-09

Torsional coupling for electric hydraulic fracturing fluid pumps

#53
20220154705
2022-05-19

Pump fluid end with suction valve closure assist

#54
20220120382
2022-04-21

Power frame and lubrication system for a reciprocating pump assembly

#55
20220090469
2022-03-24

Valve with pump rotor passage for use in downhole production strings

#56
20220025909
2022-01-27

Active accumulator

#57
20220018233
2022-01-20

SYSTEM FOR REDUCING VIBRATIONS IN A PRESSURE PUMPING FLEET

#58
20220010793
2022-01-13

Electrical submersible pump control

#59
20210404464
2021-12-30

Suction cover assembly for reciprocating pumps

#60
20210404310
2021-12-30

System of controlling a hydraulic fracturing pump or blender using cavitation or pulsation detection

#61
20210404308
2021-12-30

Method to detect and intervene relative to cavitation and pulsation events during a hydraulic fracturing operation

#62
20210381725
2021-12-09

SELF-CONTAINED IN-GROUND GEOTHERMAL GENERATOR AND HEAT EXCHANGER WITH IN-LINE PUMP USED IN SEVERAL ALTERNATIVE APPLICATIONS INCLUDING THE RESTORATION OF THE SALTON SEA

#63
20210355931
2021-11-18

FLOW ROUTER WITH RETRIEVABLE VALVE ASSEMBLY

#64
20210310341
2021-10-07

Powertrain for wellsite operations and method

#65
20210301621
2021-09-30

Methods and kits for assembling a flow cage assembly for downhole reciprocating pump

#66
20210273354
2021-09-02

Electrical cover for wired devices

#67
20210215014
2021-07-15

Adjustable fracturing system

#68
20210199109
2021-07-01

Pneumatic pump control system

#69
20210199108
2021-07-01

Valve failure determination in a pump monitoring system

#70
20210199107
2021-07-01

Systems and methods for centralized optimization of reservoir production

#71
20210189849
2021-06-24

System for producing fluid from hydrocarbon wells

#72
20210148356
2021-05-20

DOUBLE-ACTION PUMP CYLINDER

#73
20210148344
2021-05-20

Reconfigurable multi-stage gas compressor

#74
20210131424
2021-05-06

Mechanically actuated travelling plug valve

#75
20210123431
2021-04-29

SYNTHETIC DATA GENERATION SYSTEMS AND METHODS

#76
20210108624
2021-04-15

PISTON PUMP MANUAL ROLLING SYSTEM AND METHOD OF USE

#77
20210095673
2021-04-01

Motor lead standoff elements for submersible well pump

#78
20210071508
2021-03-11

Distributed machine learning control of electric submersible pumps

#79
20210062803
2021-03-04

METHOD AND SYSTEM FOR MONITORING THE CONDITION OF ROTATING SYSTEMS

#80
20210025382
2021-01-28

Wellsite electrical power management system

#81
20210025148
2021-01-28

Irrigation pumpjack

#82
20210017830
2021-01-21

Hydraulic fracturing system, apparatus, and method

#83
20200386214
2020-12-10

Pump fluid end with suction valve closure assist

#84
20200355173
2020-11-12

Reciprocating pump systems

#85
20200355120
2020-11-12

Turbine chilling for oil field power generation

#86
20200355042
2020-11-12

Valve with pump rotor passage for use in downhole production strings

#87
20200340470
2020-10-29

Pump assembly

#88
20200308943
2020-10-01

Method to improve hydrodynamics and efficient use of an oil and/or gas well's energy to lift fluids through superficial gas velocity maintenance and application of load regulating device(s)

#89
20200256149
2020-08-13

Large bore plug valve

#90
20200209092
2020-07-02

Sump Pump Tracking Device

#91
20200208626
2020-07-02

HORIZONTAL AND VERTICAL WELL FLUID PUMPING SYSTEM

#92
20200173253
2020-06-04

Valve with shuttle

#93
20200165901
2020-05-28

Top open cage

#94
20200132058
2020-04-30

Pressure transfer device and associated system, fleet and use, for pumping high volumes of fluids with particles at high pressures

#95
20200115986
2020-04-16

Hydraulic fracturing system, apparatus, and method

#96
20200102805
2020-04-02

Bottom hole assembly including a multi-stage reciprocating and automatically reset pump

#97
20200088189
2020-03-19

Method of controlling a pump and motor

#98
20200072206
2020-03-05

NON-LUBRICATING FLUID PUMPING SYSTEM

#99
20200041011
2020-02-06

ROTARY VALVE DEVICE AND LIQUID LIFTING DEVICE COMPRISING THE SAME

#100
20190390532
2019-12-26

Valve with pump rotor passage for use in downhole production strings

#101
20190316581
2019-10-17

PUMP VALVE WITH SEAL RETAINING STRUCTURE

#102
20190316456
2019-10-17

Pulsed delivery of concentrated proppant stimulation fluid

#103
20190271216
2019-09-05

ROD PUMP SYSTEM

#104
20190264667
2019-08-29

Pump drivetrain damper system and control systems and methods for same

#105
20190249652
2019-08-15

Configuration and operation of an optimized pumping system

#106
20190247957
2019-08-15

Improving service life of pump fluid ends

#107
20190234171
2019-08-01

Hydraulic fracturing system, apparatus, and method

#108
20190211814
2019-07-11

Distribution unit

#109
20190178235
2019-06-13

Hybrid drive systems for well stimulation operations

#110
20190145400
2019-05-16

Method for remanufacturing fluid end block

#111
20190120002
2019-04-25

Method and device for hole cleaning and drilling hydraulic design

#112
20190100989
2019-04-04

System and method for monitoring operations of equipment by sensing deformity in equipment housing

#113
20190063429
2019-02-28

Mechanically actuated traveling valve

#114
20190049052
2019-02-14

FLUID LINER WEAR INDICATOR FOR SUCTION MANIFOLD OF RECIPROCATING PUMP ASSEMBLY

#115
20190040727
2019-02-07

System for reducing vibrations in a pressure pumping fleet

#116
20180363642
2018-12-20

Fluid end assembly of a reciprocating pump

#117
20180363640
2018-12-20

Automated operation of wellsite pumping equipment

#118
20180363432
2018-12-20

System, apparatus and method for artificial lift, and improved downhole actuator for same

#119
20180355865
2018-12-13

Reciprocating piston

#120
20180347327
2018-12-06

Lift apparatus for driving a downhole reciprocating pump

#121
20180328143
2018-11-15

Valve with pump rotor passage for use in downhole production strings

#122
20180320671
2018-11-08

Liquid lifting device

#123
20180291712
2018-10-11

Hydraulic fracturing system and method for optimizing operation thereof

#124
20180290869
2018-10-11

Pumping machine

#125
20180274536
2018-09-27

Housing for high-pressure fluid applications

#126
20180274529
2018-09-27

Flow router with retrievable valve assembly

#127
20180274446
2018-09-27

Turbine chilling for oil field power generation

#128
20180266221
2018-09-20

Apparatus and method for pumping a reservoir

#129
20180258728
2018-09-13

Packer for annular blowout preventer

#130
20180224164
2018-08-09

Self-contained in-ground geothermal generator and heat exchanger with in-line pump used in several alternative applications including the restoration of the salton sea

#131
20180202596
2018-07-19

Rear leg connection for beam pumping unit

#132
20180195506
2018-07-12

Pump system

#133
20180163798
2018-06-14

Hand brake system used on pumping unit without walking beam

#134
20180163729
2018-06-14

Wellbore debris handler for electric submersible pumps

#135
20180163526
2018-06-14

Hydrocarbon wells and methods cooperatively utilizing a gas lift assembly and an electric submersible pump

#136
20180106250
2018-04-19

COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

#137
20180100381
2018-04-12

Retrieval of multi-component plunger in well plunger lift system

#138
20180087495
2018-03-29

Horizontal and vertical well fluid pumping system

#139
20180066678
2018-03-08

Jet pump data tool method

#140
20180066652
2018-03-08

Dump valve assembly with spring and method therefor

#141
20180030973
2018-02-01

Offset valve bore in a reciprocating pump

#142
20180017459
2018-01-18

Sump pump tracking device

#143
20180016881
2018-01-18

Systems and methods for operating a linear motor to prevent impacts with hard stops

#144
20180003196
2018-01-04

Fluid energizing device

#145
20170370524
2017-12-28

Power frame and lubrication system for a reciprocating pump assembly

#146
20170370199
2017-12-28

Hydraulic fracturing system, apparatus, and method

#147
20170370184
2017-12-28

Valve with pump rotor passage for use in downhole production strings

#148
20170370172
2017-12-28

Adjustable fracturing system

#149
20170321526
2017-11-09

Lift apparatus for driving a downhole reciprocating pump

#150
20170314375
2017-11-02

Rod Guide With Discharge Deflector

#151
20170306735
2017-10-26

System, apparatus and method for artificial lift, and improved downhole actuator for same

#152
20170248245
2017-08-31

Latch assembly for a pumping system and method therefor

#153
20170226998
2017-08-10

Well stimulation pump control and method

#154
20170226839
2017-08-10

Torsional coupling for electric hydraulic fracturing fluid pumps

#155
20170218843
2017-08-03

Turbine chilling for oil field power generation

#156
20170204852
2017-07-20

Segmented fluid end

#157
20170204710
2017-07-20

COMPRESSED NATURAL GAS ARTIFICIAL GAS LIFT

#158
20170191356
2017-07-06

Rod pump system

#159
20170175486
2017-06-22

Dump valve assembly and method therefor

#160
20170145785
2017-05-25

Valve with shuttle

#161
20170090457
2017-03-30

Pump integrity detection, monitoring and alarm generation

#162
20170082101
2017-03-23

Apparatus and methods for identifying defective pumps

#163
20170074080
2017-03-16

Subterranean pump with pump cleaning mode

#164
20170074079
2017-03-16

Controlled pneumatic well pumping system, and method for optimizing pump stroke speed

#165
20170037717
2017-02-09

System for reducing vibrations in a pressure pumping fleet

#166
20170030340
2017-02-02

Valve for a downhole pump

#167
20170030163
2017-02-02

Dump valve assembly and method therefor

#168
20170022788
2017-01-26

Safety indicator lights for hydraulic fracturing pumps

#169
20170002635
2017-01-05

Intra-stroke cycle timing for pumpjack fluid pumping

#170
20160305409
2016-10-20

Traveling valve assembly and method therefor

#171
20160305227
2016-10-20

System, apparatus and method for artificial lift, and improved downhole actuator for same

#172
20160238002
2016-08-18

PLUNGER LIFT ASSEMBLY

#173
20160208797
2016-07-21

Housing for high-pressure fluid applications

#174
20160186747
2016-06-30

Method and apparatus to manufacture a progressive cavity motor or pump

#175
20160177942
2016-06-23

Pump operation procedure with piston position sensor

#176
20160160855
2016-06-09

Method and apparatus for control of a plunger lift system

#177
20160160848
2016-06-09

PUMPS AND METHODS OF PUMPING FLUIDS INTO A WELL BORE

#178
20160123318
2016-05-05

Adaptive Pump Control For Positive Displacement Pump Failure Modes

#179
20160108717
2016-04-21

DETECTION OF CAVITATION OR GAS LOCK

#180
20160102542
2016-04-14

Systems and methods for real-time monitoring of downhole pump conditions

#181
20160084049
2016-03-24

Mechanically actuated traveling valve

#182
20160076535
2016-03-17

Pump monitoring system and method

#183
20160069179
2016-03-10

Systems and methods for double data rate communication via power cable

#184
20160053607
2016-02-25

Detecting and compensating for the effects of pump half-stroking

#185
20160032912
2016-02-04

DEVICE FOR PUMPING FLUID FROM A WELLBORE

#186
20160003234
2016-01-07

Methods and apparatus to determine parameters of a pumping unit for use with wells

#187
20150377318
2015-12-31

Pump drivetrain damper system and control systems and methods for same

#188
20150376996
2015-12-31

Anti-gas lock valve for a reciprocating downhole pump

#189
20150322770
2015-11-12

Metal bellows equalizer capacity monitoring system

#190
20150322755
2015-11-12

Subterranean pump with pump cleaning mode

#191
20150308241
2015-10-29

Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves

#192
20150292307
2015-10-15

Synchronized pump down control for a dual well unit with regenerative assist

#193
20150285247
2015-10-08

Radial valves and pumps including radial valves

#194
20150233207
2015-08-20

Flow router with retrievable valve assembly

#195
20150211524
2015-07-30

Torsional coupling for electric hydraulic fracturing fluid pumps

#196
20150204181
2015-07-23

Downhole oil/water separation system for improved injectivity and reservoir recovery

#197
20150184487
2015-07-02

Valve with pump rotor passage for use in downhole production strings

#198
20150136384
2015-05-21

Wiper and seal assembly for a pump

#199
20150129219
2015-05-14

Systems and methods for stimulating a plurality of zones of a subterranean formation

#200
20150107823
2015-04-23

Downhole tool for opening a travelling valve assembly of a reciprocating downhole pump

#201
20150098840
2015-04-09

Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves

#202
20150093257
2015-04-02

Peristaltic submersible pump

#203
20150004004
2015-01-01

Downhole electromagnetic pump and methods of use

#204
20140341755
2014-11-20

Horizontal and vertical well fluid pumping system

#205
20140322033
2014-10-30

Offset valve bore in a reciprocating pump

#206
20140294603
2014-10-02

Synchronized dual well variable stroke and variable speed pump down control with regenerative assist

#207
20140261790
2014-09-18

Poppet valve with integrated dampener

#208
20140244049
2014-08-28

Adaptive pump control for positive displacement pump failure modes

#209
20140241910
2014-08-28

SUBMERSIBLE PUMP

#210
20140219824
2014-08-07

PUMP SYSTEM AND METHOD THEREOF

#211
20140169988
2014-06-19

Rotating flexible joint for use in submersible pumping systems

#212
20140166268
2014-06-19

Discharge pressure monitoring system

#213
20140166267
2014-06-19

Suction pressure monitoring system

#214
20140147307
2014-05-29

Method for reducing permeability of downhole motor protector bags

#215
20140147291
2014-05-29

RECIPROCATING PUMP ASSEMBLY AND METHOD THEREOF

#216
20140127046
2014-05-08

Downhole hydraulic pump

#217
20140119965
2014-05-01

DOWNHOLE PUMP ASSEMBLY

#218
20140105759
2014-04-17

Linear pump and motor systems and methods

#219
20140056731
2014-02-27

Hydraulically controlled reciprocating pump system

#220
20140048250
2014-02-20

Valve with shuttle

#221
20140030115
2014-01-30

System and method for motor drive control pad and drive terminals

#222
20130195702
2013-08-01

Double-action sucker-rod well pump

#223
20130161013
2013-06-27

Corrosion resistant fluid end for well service pumps

#224
20130084194
2013-04-04

Jet pump data tool system

#225
20130042752
2013-02-21

Pump body

#226
20130022476
2013-01-24

Adaptive pump control for positive displacement pump failure modes

#227
20130015385
2013-01-17

Poppet valve with integrated dampener

#228
20120315154
2012-12-13

Drip Pump System and Method

#229
20120199210
2012-08-09

Valve with shuttle

#230
20120183424
2012-07-19

Offset valve bore for a reciprocating pump

#231
20120144995
2012-06-14

Offset valve bore in a reciprocating pump

#232
20120001363
2012-01-05

STUFFING BOX FOR WALKING BEAM COMPRESSOR

#233
20110259428
2011-10-27

Flow management system and method

#234
20110255993
2011-10-20

PRECOMPRESSION EFFECT IN PUMP BODY

#235
20110236238
2011-09-29

Clamping device for cylinder sleeves and use thereof, and mud pump having a clamping

#236
20110182755
2011-07-28

System for raising water from an underground source

#237
20110123363
2011-05-26

Hydraulically controlled reciprocating pump system

#238
20110083839
2011-04-14

Coaxial electric submersible pump flow meter

#239
20110081256
2011-04-07

System and method for sensing a liquid level

#240
20110024370
2011-02-03

Cyclonic debris evacuation apparatus and method for a pump

#241
20110024124
2011-02-03

Caisson two-phase emulsion reducer

#242
20100329905
2010-12-30

PERMANENT MAGNET DIRECT DRIVE MUD PUMP

#243
20100326663
2010-12-30

Split stream oilfield pumping system utilizing recycled, high reid vapor pressure fluid

#244
20100310384
2010-12-09

System and method for servicing a wellbore

#245
20100308963
2010-12-09

System and method for motor drive control pad and drive terminals

#246
20100294731
2010-11-25

Cyclonic debris evacuation apparatus and method for a pump

#247
20100247345
2010-09-30

Production tubing member with auxiliary conduit

#248
20100104451
2010-04-29

Drip pump system

#249
20100098568
2010-04-22

Mud pump systems for wellbore operations

#250
20090260798
2009-10-22

Active mud valve system

#251
20090246049
2009-10-01

COATED CYLINDER FOR WALKING BEAM COMPRESSOR

#252
20090243223
2009-10-01

Stuffing box for walking beam compressor

#253
20090232662
2009-09-17

Method for estimating pump efficiency

#254
20090218963
2009-09-03

Linear motor automatic control circuit assembly for controlling the operation of a 3-phase linear motor-driven submersible oil pump of an artificial oil lift system

#255
20090053072
2009-02-26

Integrated "One Pump" Control of Pumping Equipment

#256
20080260557
2008-10-23

FLOATING PUMP FOR IRRIGATION AND OTHER APPLICATIONS

#257
20080149348
2008-06-26

Downhole tools utilizing electroactive polymers for actuating release mechanisms

#258
20080066915
2008-03-20

Integrated well access assembly and method

#259
20080053212
2008-03-06

Flow control valve and method

#260
20080040052
2008-02-14

Pump Monitor

#261
20070140869
2007-06-21

System and method for determining onset of failure modes in a positive displacement pump

#262
20070139211
2007-06-21

Sensor system for a positive displacement pump

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