ClassID:

142817

F04B23/00 - CPC Classification

Classification description:

Pumping installations or systems

Sub-classes:
Recent Application in this class:
#1
20250084841
2025-03-13

ACTION-ORIENTED MONITORING SYSTEM FOR ROTATING EQUIPMENT

#2
20240246049
2024-07-25

INDEPENDENT CONTROL OF AUGER AND HOPPER ASSEMBLY IN ELECTRIC BLENDER SYSTEM

#3
20240209848
2024-06-27

Pumping system

#4
20240207760
2024-06-27

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

#5
20240159235
2024-05-16

Constant voltage power distribution system for use with an electric hydraulic fracturing system

#6
20230258171
2023-08-17

Constant voltage power distribution system for use with an electric hydraulic fracturing system

#7
20230193864
2023-06-22

DISTRIBUTED NETWORK OF HEAT EXCHANGERS

#8
20230142129
2023-05-11

DILUTE SOLUTION PRODUCTION APPARATUS

#9
20230022332
2023-01-26

Asynchronous frac-to-frac operations for hydrocarbon recovery and valve systems

#10
20220333594
2022-10-20

Constant voltage power distribution system for use with an electric hydraulic fracturing system

#11
20220228581
2022-07-21

Double acting pump design utilizing two rotating discs

#12
20220112888
2022-04-14

Piston pump having a helical gear as a power brake pressure generator of a hydraulic vehicle power brake system

#13
20220018233
2022-01-20

SYSTEM FOR REDUCING VIBRATIONS IN A PRESSURE PUMPING FLEET

#14
20220008879
2022-01-13

Independent control of auger and hopper assembly in electric blender system

#15
20210364097
2021-11-25

Safety valve for hydraulic or pneumatic tool

#16
20210355932
2021-11-18

Analysis method of absolute energy efficiency and relative energy efficiency of compressed air system

#17
20210236961
2021-08-05

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

#18
20210140423
2021-05-13

Constant voltage power distribution system for use with an electric hydraulic fracturing system

#19
20200240405
2020-07-30

System and method for evacuating a process space

#20
20200224778
2020-07-16

Safety valve for hydraulic or pneumatic tool

#21
20200072204
2020-03-05

Liquid delivery device and liquid chromatograph equipped with liquid delivery device

#22
20200047141
2020-02-13

Independent control of auger and hopper assembly in electric blender system

#23
20190195210
2019-06-27

Hydrostatic system and pumping station for an oil or gas pipeline

#24
20190186477
2019-06-20

Pumping station for a pipeline and method for starting a combustion engine in a pumping station

#25
20190040727
2019-02-07

System for reducing vibrations in a pressure pumping fleet

#26
20180353876
2018-12-13

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

#27
20180172005
2018-06-21

Electronically-controlled compressed air system

#28
20180163878
2018-06-14

Safety valve for a hydraulic or pneumatic tool

#29
20180156210
2018-06-07

Constant voltage power distribution system for use with an electric hydraulic fracturing system

#30
20170355551
2017-12-14

PUMP APPARATUS

#31
20170335833
2017-11-23

Systems and methods for hydrate management

#32
20170321800
2017-11-09

Method for operating a fluid-guiding device, and corresponding fluid-guiding device

#33
20170096327
2017-04-06

Solar fueling station

#34
20170089189
2017-03-30

ACTIVE TORSIONAL DAMPTER FOR ROTATING SHAFTS

#35
20170037848
2017-02-09

Hydraulic pumping system with enhanced piston rod sealing

#36
20170028368
2017-02-02

Independent control of auger and hopper assembly in electric blender system

#37
20170009928
2017-01-12

Pulsation damping system

#38
20160305294
2016-10-20

Scavenge pump oil level control system and method

#39
20160123316
2016-05-05

Pipe pump system

#40
20150233369
2015-08-20

Method and apparatus for closed loop automatic refill of liquid color

#41
20150093258
2015-04-02

Scavenge pump oil level control system and method

#42
20140193276
2014-07-10

MULTISTAGE AIR PUMP WITH ADJUSTABLE INTER-STAGE MASS TRANSFER AND INTER-STAGE SORBENT CARTRIDGE

#43
20140166109
2014-06-19

Fluid distribution valve, fluid supply system comprising same, and method for controlling the fluid supply system

#44
20140150880
2014-06-05

Hydrostatic Circuit Flushing Flow Cancellation

#45
20140090731
2014-04-03

Dosing manifold and system

#46
20140053915
2014-02-27

Method and device for refilling and checking the leak-tightness of a fuel injector

#47
20140030112
2014-01-30

VACUUM DEVICE

#48
20140003967
2014-01-02

Fluid heating apparatus and method

#49
20130243629
2013-09-19

PUMP HAVING A PUMP CYLINDER

#50
20130243616
2013-09-19

LIQUID CIRCULATING DEVICE AND MEDICAL APPARATUS

#51
20130232789
2013-09-12

THREADED ROD PLUNGER INSTALLATION TOOL

#52
20130213503
2013-08-22

Hydraulic control arrangement

#53
20130195684
2013-08-01

Subsea pumping system

#54
20130180358
2013-07-18

Hydraulic system, driving system and electric vehicle

#55
20130177456
2013-07-11

Fluid pressure amplifier

#56
20130164154
2013-06-27

Elastomer compositions with silane functionalized silica as reinforcing fillers

#57
20130145755
2013-06-13

Device for compacting a granular mass such as concrete cement

#58
20130142672
2013-06-06

Method for synchronizing linear pump system

#59
20130139536
2013-06-06

Apparatus and method for controlling a compressor, and refrigerator comprising same

#60
20130121849
2013-05-16

SCAVENGE PUMP OIL LEVEL CONTROL SYSTEM AND METHOD

#61
20130115115
2013-05-09

High pressure pumps for injecting cement mixtures

#62
20130086901
2013-04-11

Method for performing open-loop/closed-loop control of the boosting of a braking force of a brake system, brake booster, and control unit

#63
20130078115
2013-03-28

Process and apparatus for drying and compressing a CO-rich stream

#64
20130067900
2013-03-21

POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE

#65
20120244020
2012-09-27

Pump system

#66
20120180460
2012-07-19

Exhaust-gas aftertreatment device

#67
20120087809
2012-04-12

Pipe pump system

#68
20120073670
2012-03-29

Valve actuator control system and method of use

#69
20120031510
2012-02-09

Pump cart for a biological liquid treatment installation

#70
20110308624
2011-12-22

Apparatus and methods for conserving energy in fueling applications

#71
20110175362
2011-07-21

DYNAMIC FLUID ENERGY CONVERSION

#72
20110162187
2011-07-07

Threaded rod plunger installation tool

#73
20110046897
2011-02-24

Method for determining the fatigue of a pump rotor of a gas turbopump

#74
20110014062
2011-01-20

Control device of hydraulically driven fan

#75
20100119380
2010-05-13

Subsea pumping system

#76
20090229258
2009-09-17

Exhaust-gas aftertreatment device

#77
20070251585
2007-11-01

Fluid distribution system

#78
20070071609
2007-03-29

Digital pump with multiple outlets

#79
15929924
2021-01-19

Direct drive unit removal system and associated methods

#80
13677040
2015-02-03

Automated pressure regulated water diversion system