ClassID:

143241

F04B2201/0208 - CPC Classification

Classification description:

Pump parameters; Piston parameters Leakage across the piston

Recent Application in this class:
#1
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2025-12-18

ARTIFICIAL INTELLIGENCE BASED HYDRAULIC FRACTURING SYSTEM MONITORING AND CONTROL

#2
20250290503
2025-09-18

LEAKAGE MONITORING FOR BOOSTER PUMP

#3
20240318533
2024-09-26

ARTIFICIAL INTELLIGENCE BASED HYDRAULIC FRACTURING SYSTEM MONITORING AND CONTROL

#4
20240240629
2024-07-18

DYNAMIC COMPRESSOR CONTROLS

#5
20220341543
2022-10-27

Lubricant pumping system

#6
20220056901
2022-02-24

Fault detection and prediction

#7
20210207597
2021-07-08

Active hydraulic ripple cancellation methods and systems

#8
20210025383
2021-01-28

Artificial intelligence based hydraulic fracturing system monitoring and control

#9
20210017978
2021-01-21

Dynamic compressor controls

#10
20200370570
2020-11-26

Device for supplying ports to a machine section of a hydraulic machine arrangement

#11
20200318628
2020-10-08

Pump system with leak damage protection

#12
20200040890
2020-02-06

Piston pump comprising an electro-fluidic leak detection element

#13
20190331103
2019-10-31

Gas leak determining method, and multi-stage compressor

#14
20190170295
2019-06-06

Lubricating-grease pump and method for recovery of leakage grease of a lubricating-grease pump

#15
20190162179
2019-05-30

Active hydraulic ripple cancellation methods and systems

#16
20190154022
2019-05-23

Compressor

#17
20190024655
2019-01-24

Systems and methods for pump slip sensing

#18
20170298916
2017-10-19

Isolated chamber pump with recirculation of leakages

#19
20170146001
2017-05-25

Gas compression device

#20
20110046902
2011-02-24

Method for detection of a fluid leak related to a piston machine

#21
20100326176
2010-12-30

Method and apparatus for testing the piston of an injection pump

#22
20100314835
2010-12-16

Zero emissions reciprocating pump

#23
20100296952
2010-11-25

Zero emissions reciprocating pump

#24
20100253007
2010-10-07

Zero emissions reciprocating pump

#25
20080240949
2008-10-02

Zero emissions reciprocating pump