ClassID:

143173

F04B53/1025 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Valves; Arrangement of valves; Disc valves having means for guiding the closure member axially the guiding means being provided within the valve opening

Recent Application in this class:
#1
20250341262
2025-11-06

FIBER REINFORCED VALVE SEAL

#2
20250320865
2025-10-16

VALVE CARTRIDGE FOR A FLUID PUMP

#3
20250075694
2025-03-06

VALVE CARTRIDGE FOR A FLUID PUMP

#4
20250003503
2025-01-02

Valve stop for use with a fluid end assembly

#5
20240141887
2024-05-02

VALVE COMPONENT

#6
20240125309
2024-04-18

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

#7
20240068468
2024-02-29

VALVE COMPONENT

#8
20230383859
2023-11-30

FIBER REINFORCED VALVE SEAL

#9
20230304485
2023-09-28

PISTON PUMP FOR A HIGH PRESSURE CLEANING DEVICE

#10
20230138582
2023-05-04

Cover, fluid end and plunger pump

#11
20230106466
2023-04-06

Valve seat with ceramic insert

#12
20210404453
2021-12-30

Hydraulic fluid pump and retainer assembly for same

#13
20210239111
2021-08-05

Valve and seat with seal

#14
20210071768
2021-03-11

Rotating Valve Assembly

#15
20200400140
2020-12-24

Valve for reciprocating pump assembly

#16
20200362975
2020-11-19

Valve assembly for a fluid end with limited access

#17
20200095988
2020-03-26

Depressurizing device

#18
20190360599
2019-11-28

Liner for frac pump suction manifold

#19
20190264681
2019-08-29

Piston pump with simplified head

#20
20190195214
2019-06-27

Poppet valve assembly

#21
20190154033
2019-05-23

Plunger pump fluid end

#22
20190011051
2019-01-10

Valve body for frac pump

#23
20180363642
2018-12-20

Fluid end assembly of a reciprocating pump

#24
20180320675
2018-11-08

Inflating device

#25
20180073477
2018-03-15

Piston fuel pump

#26
20170314549
2017-11-02

Depressurizing device

#27
20170159655
2017-06-08

Valve stop retainer device

#28
20170107980
2017-04-20

Inflating device

#29
20170089470
2017-03-30

Pressure pumping valves and methods of making such valves

#30
20160146170
2016-05-26

Internal combustion engine fuel, preferably diesel fuel, feed pump assembly

#31
20150316013
2015-11-05

Piston fuel pump and check valve therefore

#32
20150272605
2015-10-01

Sterilizable pump unit

#33
20140230928
2014-08-21

Tunable check valve

#34
20140144527
2014-05-29

Tunable fluid end

#35
20120141308
2012-06-07

Polymeric Pump Parts

#36
20100183448
2010-07-22

Methods of use for a positive displacement pump having an externally assisted valve

#37
20090324437
2009-12-31

Pump valve having a limiting element

#38
20080279706
2008-11-13

Valve-seat interface architecture

#39
20080279705
2008-11-13

Externally assisted valve for a positive displacement pump

#40
20080131297
2008-06-05

Suction throttle valve of a compressor

#41
20070000544
2007-01-04

Valve assembly for positive displacement pumps

#42
16917083
2022-06-07

Valve seat insert system and method