Patents-Review.com
ClassID:

143209 ⎘

F04B53/126 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Valves; Arrangement of valves arranged in or on pistons; Reciprocating valves Ball valves

Recent Application in this class:
#1
20250361800
2025-11-27

Self-Adjusting Downhole Sucker Rod Pump Spacing Tool

 #2
20220136491
2022-05-05

Double-acting reciprocating pump assembly for use in conjunction with a melter

 #3
20210180589
2021-06-17

Piston pump

 #4
20200370657
2020-11-26

Hydraulic assembly, particularly for supplying a brake circuit of a vehicle brake system with fluid at brake pressure

 #5
20200199986
2020-06-25

CONTROLLED DESCENT CAGED BALL BYPASS PLUNGER

 #6
20200056716
2020-02-20

Ball valve for a pipe system for conveying liquid or gaseous media

 #7
20200056607
2020-02-20

Rotary traveling valve

 #8
20200025188
2020-01-23

Electromagnetic pump

 #9
20190271396
2019-09-05

Rotating piston for pumps

 #10
20190264401
2019-08-29

Ground striper pump piston having dual checks

 #11
20190203707
2019-07-04

High pressure paint pump

 #12
20190186476
2019-06-20

Injection assembly, injection pump, and method for supply of additive to a fluid in a pipe

 #13
20190082712
2019-03-21

System for conveying and dispensing heated food material

 #14
20190063428
2019-02-28

Pump piston

 #15
20180298895
2018-10-18

Piston ball guide for a ball pump

 #16
20180291891
2018-10-11

Ball cage with directed flow paths for a ball pump

 #17
20180283146
2018-10-04

Movable Coupling for Subsurface Plunger

 #18
20180149003
2018-05-31

Well kickoff systems and methods

 #19
20180142835
2018-05-24

Vent valve

 #20
20180112821
2018-04-26

Autofill shutoff valve

 #21
20180100620
2018-04-12

Centerfill of lubricant reservoir

 #22
20180058445
2018-03-01

Foam pump and dispenser employing same

 #23
20180014572
2018-01-18

Press-type E-liquid supply mechanism and electronic cigarettes having the same

 #24
20180003013
2018-01-04

Plunger sleeve for artificial lift systems

 #25
20170291586
2017-10-12

Piston pump having a stepped piston

 #26
20170248136
2017-08-31

Conveying device for conveying a flowable medium

 #27
20170191563
2017-07-06

Rotating piston for pumps

 #28
20170191478
2017-07-06

Fluted piston components for pumps

 #29
20170152841
2017-06-01

Exhaust air conduit for a coating agent pump

 #30
20160369788
2016-12-22

Positive displacement plunger pump with gas escape valve

 #31
20160231157
2016-08-11

METERING DEVICE FOR DELIVERY OF A LIQUID OR VISCOUS SUBSTANCE

 #32
20160160847
2016-06-09

Piston pump for brake

 #33
20160069344
2016-03-10

High pressure paint pump

 #34
20150337821
2015-11-26

Multistage air pump

 #35
20150017036
2015-01-15

Reciprocating subsurface pump

 #36
20140119964
2014-05-01

Electromagnetic pump device

 #37
20140099219
2014-04-10

Electromagnetic pump

 #38
20140044567
2014-02-13

Reciprocating pump valve assembly with thermal relief

 #39
20130156621
2013-06-20

Lance pump with a ram

 #40
20110158836
2011-06-30

LIQUID PAINT PUMPING APPARATUS

 #41
20110115283
2011-05-19

Sealing structure for piston and piston pump and brake hydraulic pressure control device incorporating the structure

 #42
20100284841
2010-11-11

Piston pump for delivering a fluid, and associated brake system

 #43
20100278670
2010-11-04

Air pump with a one-piece cylinder

 #44
20100209273
2010-08-19

Piston pump

 #45
20100154409
2010-06-24

Fluid pump device for vehicle braking systems

 #46
20100111735
2010-05-06

Foam Pump

 #47
20100098567
2010-04-22

Piston pump

 #48
20100083821
2010-04-08

Piston pump for a vehicle brake system

 #49
20090185924
2009-07-23

Piston pump

 #50
20080310971
2008-12-18

Piston pump

 #51
20080247893
2008-10-09

High compression downhole pump

 #52
20080246225
2008-10-09

Piston pump

 #53
20080011487
2008-01-17

Drive piston and foot valve seat

 #54
20070092389
2007-04-26

Piston pump

 #55
20070065320
2007-03-22

Fluid pump with enhanced seal

 #56
20060245938
2006-11-02

Circumferential piston compressor/pump/engine (CPC/CPP/CPE); circumferential piston machines

 #57
20060188380
2006-08-24

Pump having independently releasable ends

 #58
20060177326
2006-08-10

Piston pump

 #59
20050082065
2005-04-21

Pass through valve and stab tool

 #60
17332080
2022-10-11

Anti-gas locking pumps and related methods in oil and gas applications

 #61
15804486
2020-07-21

Hand-operated oil pump