Patents-Review.com
ClassID:

143178 ⎘

F04B53/1037 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Valves; Arrangement of valves Flap valves

Sub-classes:
Recent Application in this class:
#1
20260049605
2026-02-19

AIR COMPRESSOR

 #2
20250207576
2025-06-26

PUMP AND COMBINATION PUMP/MIXER DEVICE WITH LOBED CHECK VALVE FLUID PASSAGES

 #3
20240240633
2024-07-18

RADIAL PISTON PUMP, AND PROCESS FOR MANUFACTURING A RADIAL PISTON PUMP

 #4
20230374982
2023-11-23

Anti-spin control for an electric submersible pump permanent magnet motor

 #5
20230309756
2023-10-05

Condiment Dispenser

 #6
20230088016
2023-03-23

Cleaning device

 #7
20220341410
2022-10-27

Air stop sheet of piston of cylinder

 #8
20220333591
2022-10-20

Piston of air compressor

 #9
20220252062
2022-08-11

TUNED MICRO CHECK VALVES AND PUMPS

 #10
20220145877
2022-05-12

Valve assembly for a reciprocating compressor

 #11
20220042505
2022-02-10

Pump for a microfluidic device

 #12
20200362848
2020-11-19

Borehole pump and method of using the same

 #13
20200232451
2020-07-23

Pump and fluid control apparatus

 #14
20200217312
2020-07-09

SQUEEZE-TYPE PUMP

 #15
20190277540
2019-09-12

Cylinder head cover for a refrigerant compressor

 #16
20190234395
2019-08-01

Borehole pump and method of using the same

 #17
20180354775
2018-12-13

One-way valve and apparatus and method of using the valve

 #18
20180223822
2018-08-09

Reciprocating compressor

 #19
20180163712
2018-06-14

CHAMBER PUMP AND METHOD FOR OPERATING A CHAMBER PUMP

 #20
20170356441
2017-12-14

Reciprocating compressor valves arrangement

 #21
20170160113
2017-06-08

Free-jet dosing system

 #22
20170130731
2017-05-11

Drip tight pump

 #23
20160265525
2016-09-15

Valve clack and air pump having same

 #24
20160176695
2016-06-23

One-way valve and apparatus and method of using the valve

 #25
20160102536
2016-04-14

Hydraulically actuated downhole pump with traveling valve

 #26
20160040664
2016-02-11

Valve clack and air pump having same

 #27
20150345488
2015-12-03

Hydraulically controlled diaphragm pump comprising a dedicated degassing path

 #28
20150308422
2015-10-29

Electric-powered pump

 #29
20150275884
2015-10-01

Gas discharge system for a refrigeration compressor and a refrigeration compressor

 #30
20150275883
2015-10-01

Thermal insulation system for the discharge of gas in a refrigeration compressor

 #31
20150226210
2015-08-13

LINEAR COMPRESSOR

 #32
20140246462
2014-09-04

One-way valve and apparatus and method of using the valve

 #33
20130236342
2013-09-12

Compressor

 #34
20130058805
2013-03-07

Pneumatic micropump

 #35
20130015210
2013-01-17

One-way valve and apparatus and method of using the valve

 #36
20120207632
2012-08-16

Fuel pump with discharge control

 #37
20120138180
2012-06-07

Valve

 #38
20110028853
2011-02-03

Check valve structure, diaphragm pump, and sphygmomanometer

 #39
20110024463
2011-02-03

One-way valve and apparatus and method of using the valve

 #40
20110000069
2011-01-06

PROCESS FOR MOUNTING A VALVE IN A REFRIGERATION COMPRESSOR

 #41
20100096027
2010-04-22

CHECK VALVE AND PUMP INCLUDING CHECK VALVE

 #42
20100054958
2010-03-04

OIL-FREE AIR COMPRESSOR SYSTEM WITH INLET THROTTLE

 #43
20080149191
2008-06-26

Apparatus having one-way valve

 #44
20080025857
2008-01-31

Piston Pump With Improved Pressure Build-Up Dynamics

 #45
20070194045
2007-08-23

One-way valve and apparatus and method of using the valve

 #46
20060245951
2006-11-02

Multilayer valve structures, methods of making, and pumps using same

 #47
20060169722
2006-08-03

Method of using one-way valve and related apparatus

 #48
20060151051
2006-07-13

One-way valve and apparatus using the valve

 #49
20060048729
2006-03-09

Supercharged two-stroke engine with upper piston extensions

 #50
20050249621
2005-11-10

One-way valve

 #51
20050205025
2005-09-22

Apparatus with piston having upper piston extensions

 #52
20050175490
2005-08-11

Check valve and pump including check valve

 #53
17576626
2024-06-04

Swing valve with replaceable seat and tools and methods for engaging seat

 #54
15804486
2020-07-21

Hand-operated oil pump