Patents-Review.com
ClassID:

142722 ⎘

F04B9/109 - CPC Classification

Classification description:

Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers

Sub-classes:
Recent Application in this class:
#1
20260063150
2026-03-05

Displacement Power Controllers and Applications

 #2
20260036122
2026-02-05

BLOOD TREATMENT SYSTEMS AND METHODS

 #3
20250270961
2025-08-28

DIRECT CONTROL VARIABLE DISPLACEMENT PUMP WITH DUAL-FUNCTION HIGH-PRESSURE RELIEF VALVE-PRESSURE REGULATING VALVE

 #4
20250122871
2025-04-17

PUMPING CASSETTE

 #5
20240352927
2024-10-24

CASSETTE SYSTEM INTEGRATED APPARATUS

 #6
20240159255
2024-05-16

Fluid circuit

 #7
20240077069
2024-03-07

BLOOD TREATMENT SYSTEMS AND METHODS

 #8
20240066197
2024-02-29

Pumping cassette

 #9
20230400019
2023-12-14

Fluid pumping systems, devices and methods

 #10
20230287876
2023-09-14

BLOOD TREATMENT SYSTEMS AND METHODS

 #11
20230256148
2023-08-17

Cassette system integrated apparatus

 #12
20230250713
2023-08-10

Rodless pump and multi-sealing hydraulic sub artificial lift system

 #13
20230127613
2023-04-27

COMPRESSER FOR PUMPING FLUID HAVING CHECK VALVES ALIGNED WITH FLUID PORTS

 #14
20230099509
2023-03-30

COMPRESSER FOR PUMPING FLUID HAVING CHECK VALVES ALIGNED WITH FLUID PORTS

 #15
20220355006
2022-11-10

PUMPING CASSETTE

 #16
20220339480
2022-10-27

ADDING SYSTEM FOR FIRE-EXTINGUISHING UNITS

 #17
20220178357
2022-06-09

Pump device

 #18
20220163022
2022-05-26

Mobile thick matter pump

 #19
20220025874
2022-01-27

Piston pump and method for operating a piston pump

 #20
20210332813
2021-10-28

Cassette system integrated apparatus

 #21
20210293458
2021-09-23

Mechanical refrigeration system

 #22
20210285435
2021-09-16

Fluid pumping systems, devices and methods

 #23
20210146028
2021-05-20

Pumping cassette

 #24
20210033085
2021-02-04

Device and method for compressing a working medium

 #25
20200400595
2020-12-24

Sensor apparatus systems, devices and methods

 #26
20200355172
2020-11-12

FLUID DISPENSING APPARATUS AND METHOD

 #27
20200309116
2020-10-01

Method for operating a piston compressor, and piston compressor

 #28
20200300274
2020-09-24

Actuator module

 #29
20200191132
2020-06-18

Pumping cassette

 #30
20200171226
2020-06-04

Automated control mechanisms and methods for controlling fluid flow in a hemodialysis apparatus

 #31
20200139031
2020-05-07

System for monitoring and controlling fluid flow in a hemodialysis apparatus

 #32
20200080541
2020-03-12

Method and system for harnessing wind energy using a tethered airfoil

 #33
20190242377
2019-08-08

Piston head retaining system

 #34
20190226465
2019-07-25

Hydraulically synchronized pumps where the hydraulic motor of the master pump hydraulically drives the hydraulic motor of the slave pump

 #35
20190219042
2019-07-18

Fluid dispensing apparatus and method

 #36
20190186483
2019-06-20

Pumping cassette

 #37
20180372084
2018-12-27

CASSETTE SYSTEM INTEGRATED APPARATUS

 #38
20180370498
2018-12-27

GAS COMPRESSION SYSTEM FOR DRYING AT LEAST ONE SENSOR OF A MOTOR VEHICLE

 #39
20180296752
2018-10-18

Double action infusion pump

 #40
20180283371
2018-10-04

DISTRIBUTOR DEVICE AND PRESSURE LIMITER, IN PARTICULAR FOR A HYDRAULIC ASSISTANCE DEVICE ON A VEHICLE AND VEHICLE PROVIDED WITH SAME

 #41
20180195500
2018-07-12

Cryogenic fluid pump

 #42
20180135622
2018-05-17

Piston cartridge for piston pump

 #43
20180038357
2018-02-08

Pumping cassette

 #44
20170326282
2017-11-16

Automated control mechanisms in a hemodialysis apparatus

 #45
20170145991
2017-05-25

Vibratory drive with hydraulic pulse generator

 #46
20170130705
2017-05-11

Pumping cassette

 #47
20170089328
2017-03-30

Fluid pressure producing method and fluid pressure producing device

 #48
20160377067
2016-12-29

Fluid Dispensing Apparatus and Method

 #49
20160250401
2016-09-01

Peristaltic pump and pumping method, in particular for use as implant

 #50
20160215766
2016-07-28

Pump drive system with hydraulic tappets

 #51
20160175505
2016-06-23

Pumping cassette

 #52
20160053749
2016-02-25

Pressure intensification device

 #53
20150343137
2015-12-03

Double action infusion pump

 #54
20150226208
2015-08-13

SYSTEM FOR OPERATING A HYDRAULICALLY-POWERED SUBMERSIBLE PUMP

 #55
20150211503
2015-07-30

DEVICE FOR THE DRIVE CONTROL OF A TWO-CYLINDER THICK MATTER PUMP

 #56
20150196698
2015-07-16

Cassette system integrated apparatus

 #57
20150125319
2015-05-07

Pumping cassette

 #58
20150050164
2015-02-19

Hydraulic machine, in particular hydraulic pressure exchanger

 #59
20150013317
2015-01-15

Responsive three-dimensional surface controller

 #60
20140257097
2014-09-11

Double action infusion pump

 #61
20140238011
2014-08-28

Two-stage thermal hydraulic engine for smooth energy conversion

 #62
20130269803
2013-10-17

Fluid transfer device, ship including the same, and fluid for use in transfer device

 #63
20130177457
2013-07-11

Pumping cassette

 #64
20130074959
2013-03-28

Pumping cassette

 #65
20120207627
2012-08-16

Pumping cassette

 #66
20120102954
2012-05-03

COMPRESSION/EXPANSION PROCESS THAT ALLOWS TEMPERATURE TO VARY INDEPENDENT OF PRESSURE

 #67
20110299358
2011-12-08

Cassette system integrated apparatus

 #68
20110277458
2011-11-17

Pumps

 #69
20090004033
2009-01-01

Pumping cassette

 #70
20080253912
2008-10-16

Pumping cassette

 #71
20080253911
2008-10-16

Pumping Cassette

 #72
20080208111
2008-08-28

Peritoneal dialysis sensor apparatus systems, devices and methods

 #73
20080208103
2008-08-28

Pumping cassette

 #74
20080202591
2008-08-28

Cassette system integrated apparatus

 #75
18589583
2025-08-26

Direct control variable displacement pump with dual-function high-pressure relief valve- pressure regulating valve

 #76
17483452
2022-12-06

Compressor for pumping fluid having check valves aligned with fluid ports