Patents-Review.com
ClassID:

142686 ⎘

F04B7/0088 - CPC Classification

Classification description:

Piston machines or pumps characterised by having positively-driven valving; Component parts or details specially adapted therefor Sealing arrangements between the distribution members and the housing

Sub-classes:
Recent Application in this class:
#1
20260104039
2026-04-16

FLUID ROUTING PLUG

 #2
20250354547
2025-11-20

FLUID END WITH THREADED DYNAMIC SECTION

 #3
20250283465
2025-09-11

FLUID END ASSEMBLY

 #4
20250283454
2025-09-11

FLUID ROUTING PLUG

 #5
20250257722
2025-08-14

FLUID END

 #6
20250250974
2025-08-07

HIGH PRESSURE PUMP

 #7
20250207571
2025-06-26

FLUID END

 #8
20250180014
2025-06-05

MODULAR POWER END

 #9
20250075695
2025-03-06

FLUID END ASSEMBLY

 #10
20250067348
2025-02-27

Through-Hardened Valve Seat for Hydraulic Fracturing

 #11
20250050364
2025-02-13

SELF-SEALING PUMP AND METHODS OF MANUFACTURE AND USE THEREOF

 #12
20240376875
2024-11-14

Fluid routing plug

 #13
20240344506
2024-10-17

High pressure pump

 #14
20240328405
2024-10-03

Fluid end

 #15
20240318643
2024-09-26

Fluid end

 #16
20240167463
2024-05-23

Fluid routing plug

 #17
20240117806
2024-04-11

FLUID ROUTING PLUG

 #18
20240068469
2024-02-29

Fluid end assembly

 #19
20240068459
2024-02-29

Fluid end assembly

 #20
20230332584
2023-10-19

Fluid routing plug

 #21
20230272786
2023-08-31

Fluid end

 #22
20230160382
2023-05-25

Fluid end

 #23
20230141287
2023-05-11

Fluid pump with pressure relief path

 #24
20230131081
2023-04-27

Self-sealing pump and methods of manufacture and use thereof

 #25
20230050603
2023-02-16

Modular power end

 #26
20230022890
2023-01-26

Fluid end assembly

 #27
20230012666
2023-01-19

High pressure pump

 #28
20220397107
2022-12-15

Fluid end assembly

 #29
20220389916
2022-12-08

High pressure pump

 #30
20220381234
2022-12-01

Fluid routing plug

 #31
20220307486
2022-09-29

Fluid end

 #32
20220290661
2022-09-15

Reciprocating pump

 #33
20220282725
2022-09-08

High pressure pump

 #34
20220282717
2022-09-08

Fluid routing plug

 #35
20220235751
2022-07-28

Fluid routing plug

 #36
20220163034
2022-05-26

Modular power end

 #37
20220099073
2022-03-31

Fluid end

 #38
20220049686
2022-02-17

Fluid end

 #39
20210372382
2021-12-02

Refrigerant compressor seal arrangements

 #40
20210148349
2021-05-20

High pressure pump

 #41
20210148346
2021-05-20

Modular power end

 #42
20210148345
2021-05-20

Fluid routing plug

 #43
20210148208
2021-05-20

Fluid end

 #44
20200217424
2020-07-09

Through-hardened valve seat for hydraulic fracturing

 #45
20200003192
2020-01-02

Refrigerant compressor seal arrangements

 #46
20190101107
2019-04-04

Plunger pump having a rotatable plunger with cut face disposed in a cylinder wherein the cylinder includes a main body and a spacer section with the spacer section having a greater length in an axial direction than the maximum stroke length of the plunger

 #47
20180291892
2018-10-11

Discharge valve keeper and plunger cover for high pressure pumps

 #48
20170361487
2017-12-21

Chain saw

 #49
20160160848
2016-06-09

PUMPS AND METHODS OF PUMPING FLUIDS INTO A WELL BORE

 #50
20160102657
2016-04-14

Piston pump for a hydraulic vehicle brake system

 #51
20150098850
2015-04-09

Food dispenser and method for portioning and dispensing free-flowing foods

 #52
20140044577
2014-02-13

High pressure pump with reduced seal wear

 #53
19077200
2025-06-24

Fluid end