Patents-Review.com
ClassID:

142690 ⎘

F04B7/0208 - CPC Classification

Classification description:

Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated the distribution member forming both the inlet and discharge distributor for one single pumping chamber

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

FLUID ROUTING PLUG

 #2
20250354542
2025-11-20

FLUID ROUTING PLUG

 #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
20250250972
2025-08-07

FLUID ROUTING PLUG

 #8
20250207571
2025-06-26

FLUID END

 #9
20250180014
2025-06-05

MODULAR POWER END

 #10
20250075695
2025-03-06

FLUID END ASSEMBLY

 #11
20250003399
2025-01-02

Fluid end assembly

 #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
20240175430
2024-05-30

Fluid routing plug

 #17
20240167463
2024-05-23

Fluid routing plug

 #18
20240117806
2024-04-11

FLUID ROUTING PLUG

 #19
20240068469
2024-02-29

Fluid end assembly

 #20
20240068459
2024-02-29

Fluid end assembly

 #21
20230332584
2023-10-19

Fluid routing plug

 #22
20230272786
2023-08-31

Fluid end

 #23
20230193887
2023-06-22

Fluid routing plug

 #24
20230160382
2023-05-25

Fluid end

 #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
20220282725
2022-09-08

High pressure pump

 #33
20220282717
2022-09-08

Fluid routing plug

 #34
20220235751
2022-07-28

Fluid routing plug

 #35
20220163034
2022-05-26

Modular power end

 #36
20220099073
2022-03-31

Fluid end

 #37
20220049686
2022-02-17

Fluid end

 #38
20210148349
2021-05-20

High pressure pump

 #39
20210148346
2021-05-20

Modular power end

 #40
20210148345
2021-05-20

Fluid routing plug

 #41
20210148208
2021-05-20

Fluid end

 #42
20210131420
2021-05-06

Automatic double-acting valve and pump equipped with said valve

 #43
20200318626
2020-10-08

Pump and valve retainer assembly

 #44
20180299017
2018-10-18

Oblong diaphragm valves

 #45
20170030340
2017-02-02

Valve for a downhole pump

 #46
20150017036
2015-01-15

Reciprocating subsurface pump

 #47
20120118138
2012-05-17

FLUID DELIVERY SYSTEM COMPRISING A FLUID PUMPING DEVICE AND A DRIVE SYSTEM

 #48
19077200
2025-06-24

Fluid end