ClassID:

143197

F04B53/1085 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Valves; Arrangement of valves having means for limiting the opening height

Recent Application in this class:
#1
20250347275
2025-11-13

ALTERNATIVE COMPRESSOR HEAD ARRANGEMENT

#2
20240110550
2024-04-04

Pump fluid end with suction valve closure assist

#3
20230048353
2023-02-16

Air compressor with ramped head deck

#4
20220333591
2022-10-20

Piston of air compressor

#5
20220333590
2022-10-20

Air compressor

#6
20220307491
2022-09-29

Variable displacement pump with active bypass feedback control

#7
20220154705
2022-05-19

Pump fluid end with suction valve closure assist

#8
20210115916
2021-04-22

Valve and fluid control apparatus

#9
20200386214
2020-12-10

Pump fluid end with suction valve closure assist

#10
20190277540
2019-09-12

Cylinder head cover for a refrigerant compressor

#11
20190271304
2019-09-05

Method and system for gas compressor control

#12
20180223817
2018-08-09

Reciprocating Pump Having a Combination Check Valve and Relief Valve

#13
20180128267
2018-05-10

Valve and fluid control apparatus

#14
20180087481
2018-03-29

High pressure pump

#15
20180073477
2018-03-15

Piston fuel pump

#16
20170356441
2017-12-14

Reciprocating compressor valves arrangement

#17
20170284550
2017-10-05

Adjustable stop for check valve

#18
20170204848
2017-07-20

Air compressor

#19
20170204845
2017-07-20

Air compressor

#20
20170101987
2017-04-13

High pressure pump

#21
20160076537
2016-03-17

Valve and fluid control apparatus

#22
20150354551
2015-12-10

Fluid machine

#23
20150316013
2015-11-05

Piston fuel pump and check valve therefore

#24
20150300349
2015-10-22

Variable fluid flow hydraulic pump

#25
20150275884
2015-10-01

Gas discharge system for a refrigeration compressor and a refrigeration compressor

#26
20150275883
2015-10-01

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

#27
20140363322
2014-12-11

Cylinder cover for alternative compressor

#28
20140348676
2014-11-27

High pressure pump

#29
20130236342
2013-09-12

Compressor

#30
20120138180
2012-06-07

Valve

#31
20110311382
2011-12-22

Valve actuation system for a suction valve of a gas compressor for refrigeration equipment

#32
20110129363
2011-06-02

Fuel pump

#33
20110076171
2011-03-31

Suction valve of variable capacity compressor for vehicle

#34
20090173403
2009-07-09

DUAL LIFT VALVE FOR RECIPROCATING COMPRESSOR AND PUMPS

#35
20070148025
2007-06-28

Compressor

#36
20060177330
2006-08-10

Pump valve with controlled stroke