ClassID:

143281

F04B2201/1208 - CPC Classification

Classification description:

Pump parameters; Parameters of driving or driven means Angular position of the shaft

Recent Application in this class:
#1
20260098531
2026-04-09

METHOD FOR OPERATING A PISTON COMPRESSOR, AND PISTON COMPRESSOR

#2
20250283460
2025-09-11

AUTOMATED VALVE ACTUATION FOR FRAC FLUID ENDS USING POSITION AND/OR PRESSURE SENSORS

#3
20240091063
2024-03-21

APPARATUS AND METHODS FOR TREATING EXCESS INTRAOCULAR FLUID

#4
20240026876
2024-01-25

CONTROL OF A DUAL-PUMP SINGLE-POWER SOURCE SYSTEM

#5
20240026875
2024-01-25

Control of a dual-pump single-power source system

#6
20230044928
2023-02-09

HYDRAULIC FRACTURING PUMP HEALTH AND PERFORMANCE MONITORING USING IOT SENSOR NETWORKS

#7
20220356874
2022-11-10

Reciprocating compressor with variable capacity regulation

#8
20220268269
2022-08-25

Heat exchange system for patient temperature control with easy loading high performance peristaltic pump

#9
20220186722
2022-06-16

METHOD FOR DETERMINING THE POSITION OF THE DIAPHRAGM OF AN ELECTRIC-MOTOR-DRIVEN DIAPHRAGM PUMP

#10
20220090594
2022-03-24

Hydraulic fracturing pump control system

#11
20220065242
2022-03-03

Measuring backlash of a pump gear train

#12
20210372395
2021-12-02

Status monitoring and failure diagnosis system for plunger pump

#13
20210340974
2021-11-04

Device and method for monitoring oil pressure in oil cylinder of diaphragm compressor

#14
20210285410
2021-09-16

High-pressure pump in a high-pressure injection system of a vehicle

#15
20210222690
2021-07-22

Pressure pump performance monitoring system using torque measurements

#16
20210207597
2021-07-08

Active hydraulic ripple cancellation methods and systems

#17
20200214891
2020-07-09

Apparatus and methods for treating excess intraocular fluid

#18
20200116144
2020-04-16

Hose pump rotor

#19
20200040715
2020-02-06

Critical valve performance monitoring system

#20
20190178234
2019-06-13

Cavitation avoidance system

#21
20190162179
2019-05-30

Active hydraulic ripple cancellation methods and systems

#22
20190088458
2019-03-21

Automatic calibration device and ion migration spectrometer

#23
20190055937
2019-02-21

Accurate flow-in measurement by triplex pump and continuous verification

#24
20180269751
2018-09-20

Motor and pump assembly for a brake system

#25
20180230786
2018-08-16

Critical valve performance monitoring system

#26
20180223644
2018-08-09

Bulk modulus monitoring system

#27
20180202433
2018-07-19

Pressure pump valve monitoring system

#28
20180023556
2018-01-25

Micro water pump capable of controlling flow precisely

#29
20170348148
2017-12-07

Apparatus and methods for treating excess intraocular fluid

#30
20170298924
2017-10-19

Anti-ripple injection method and apparatus and control system of a pump

#31
20170211569
2017-07-27

Cepstrum analysis of oilfield pumping equipment health

#32
20170082101
2017-03-23

Apparatus and methods for identifying defective pumps

#33
20150144655
2015-05-28

Supplying device of fixed colorants volume for a colorant dispenser

#34
20150139836
2015-05-21

Roller positioning system

#35
20140169985
2014-06-19

Diaphragm pump for dosing a fluid and an according method

#36
20130251540
2013-09-26

Method and control device for variable rotational speed control of a displacement pump unit and displacement pump arrangement

#37
20130115120
2013-05-09

Peristaltic pump having a self-closing occlusion bed

#38
20130045112
2013-02-21

Tube positioner

#39
20110200458
2011-08-18

MANAGING METHOD

#40
20090220352
2009-09-03

Method and Device for Monitoring and Controlling a Hydraulic Actuated Process

#41
20090214365
2009-08-27

Method and system for loading of tubing into a pumping device

#42
20090060755
2009-03-05

Micropump

#43
20090041588
2009-02-12

Active valve system for positive displacement pump

#44
20080246431
2008-10-09

Apparatus and method of driving compressor

#45
20070253832
2007-11-01

Method and apparatus for controlling fluid flow

#46
20070207041
2007-09-06

Method of operating a peristaltic pump

#47
20070154325
2007-07-05

Method and system for monitoring a reciprocating compressor valve

#48
20070065297
2007-03-22

Measurement device

#49
20060257268
2006-11-16

HYDRAULIC PUMP OR HYDRAULIC MOTOR HAVING A ROTATION SPEED SENSOR

#50
20060120898
2006-06-08

Starting method for a piston compressor and piston compressor

#51
20060082339
2006-04-20

Brushless DC motor driving method and apparatus for it

#52
20060039807
2006-02-23

Electric compressor

#53
20050260085
2005-11-24

Dry-running reciprocating vacuum pump

#54
20050180856
2005-08-18

Drive technology for peristaltic and rotary pumps

#55
20050084386
2005-04-21

Gradient liquid feed pump system, and liquid chromatograph

#56
20050047925
2005-03-03

Peristaltic pump and method with parking position

#57
20050019185
2005-01-27

Peristaltic pump with roller pinch valve control