Patents-Review.com
ClassID:

142711 ⎘

F04B9/06 - CPC Classification

Classification description:

Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means including spring- or weight-loaded lost-motion devices

Recent Application in this class:
#1
20250369505
2025-12-04

A LINEAR SELF-ADJUSTABLE COMPRESSION PUMP COMPRISING A GYROSCOPIC TORQUE CONVERTER WITH CENTRIFUGAL FREELY SLIDING PRECESSION ARM

 #2
20250257723
2025-08-14

VALVELESS, MECHANICAL, PRESSURE REGULATING PUMP

 #3
20240247647
2024-07-25

COMPACT VOLUMETRIC PUMP

 #4
20230417231
2023-12-28

Potential equalization for a metering pump

 #5
20230358219
2023-11-09

Micro piston pump

 #6
20230332597
2023-10-19

Oil feeder and linear compressor including the same

 #7
20230032921
2023-02-02

Carbon free compressor pump system

 #8
20220163024
2022-05-26

Micro piston pump

 #9
20210246890
2021-08-12

Linear compressor

 #10
20210062796
2021-03-04

VIBRATOR AND PUMP

 #11
20200318625
2020-10-08

Mechanical resonant pump

 #12
20200318621
2020-10-08

Linear compressor

 #13
20200116138
2020-04-16

Linear compressor

 #14
20200025187
2020-01-23

Linear compressor

 #15
20190293063
2019-09-26

Method and system for energy recovery from a rod pump

 #16
20190093642
2019-03-28

RECIPROCATING AXIAL PUMP

 #17
20190040850
2019-02-07

Micro piston pump

 #18
20190024645
2019-01-24

Method to form impulse jet

 #19
20180363635
2018-12-20

Semi-free rotating crankshaft actuator to pre-stress and fast release a spring loadable plunger for an oral healthcare appliance

 #20
20180306180
2018-10-25

DOWNWARD LIQUID PUMP

 #21
20180251969
2018-09-06

Suction device for waste discharge

 #22
20180142683
2018-05-24

Pump connecting the inside and the outside of a product vessel

 #23
20170298913
2017-10-19

Linear compressor

 #24
20170211559
2017-07-27

Pump unit with electric drive

 #25
20170138913
2017-05-18

Sealing moving with piston in a high-pressure pump

 #26
20170096987
2017-04-06

Fuel pump

 #27
20170051731
2017-02-23

Oscillating armature pump with a flux-conducting element

 #28
20160369785
2016-12-22

SYSTEM AND METHOD FOR CONVERTING GRAVITATIONAL ENERGY INTO ROTATIONAL ENERGY AND MOVEMENTS

 #29
20160230750
2016-08-11

DELIVERY DEVICE FOR DISCHARGING A FLUID TO A FLUID LINE

 #30
20160177930
2016-06-23

Self-calibrating return spring pump, in particular self-calibrating return spring dosing pump

 #31
20150376030
2015-12-31

DESALINATION SYSTEM AND PROCESS USING ATMOSPHERIC PRESSURE AS RENEWABLE ENERGY

 #32
20150118066
2015-04-30

LOAD REDUCTION

 #33
20140308143
2014-10-16

Plunger pump

 #34
20140286796
2014-09-25

Air pump with two pressure gauges for high/low pressure indication

 #35
20140241911
2014-08-28

LEAF SPRING AND COMPRESSOR WITH LEAF SPRING

 #36
20140050597
2014-02-20

Pump unit for a high-pressure pump

 #37
20130336822
2013-12-19

Device and method for the defined longitudinal shifting of an adjusting device, which rotates along in a drive shaft

 #38
20130205769
2013-08-15

Wave energy conversion

 #39
20130121855
2013-05-16

Mounting arrangement for a resonant spring in a linear motor compressor

 #40
20110044828
2011-02-24

Compression apparatus

 #41
20100294614
2010-11-25

Hydraulic assembly for a force-operated setting unit

 #42
20100196179
2010-08-05

FUEL SUPPLY SYSTEM FOR ENGINE

 #43
20080213107
2008-09-04

Reciprocating pump

 #44
20070236314
2007-10-11

Actuators based on ferromagnetic shape memory alloy composites

 #45
20050084394
2005-04-21

Fuel pump override system

 #46
15601628
2020-06-16

Hydraulic system and method for providing fluid pressure to hydraulically-powered systems

 #47
15185207
2018-10-30

Impulse pump