ClassID:

142664

F04B7/0003 - CPC Classification

Classification description:

Piston machines or pumps characterised by having positively-driven valving 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
20250250974
2025-08-07

HIGH PRESSURE PUMP

#6
20250250972
2025-08-07

FLUID ROUTING PLUG

#7
20250180014
2025-06-05

MODULAR POWER END

#8
20250075695
2025-03-06

FLUID END ASSEMBLY

#9
20240376875
2024-11-14

Fluid routing plug

#10
20240344506
2024-10-17

High pressure pump

#11
20240328405
2024-10-03

Fluid end

#12
20240175430
2024-05-30

Fluid routing plug

#13
20240167463
2024-05-23

Fluid routing plug

#14
20240117806
2024-04-11

FLUID ROUTING PLUG

#15
20240068469
2024-02-29

Fluid end assembly

#16
20240068459
2024-02-29

Fluid end assembly

#17
20230332584
2023-10-19

Fluid routing plug

#18
20230193887
2023-06-22

Fluid routing plug

#19
20230160382
2023-05-25

Fluid end

#20
20230050603
2023-02-16

Modular power end

#21
20230022890
2023-01-26

Fluid end assembly

#22
20230012666
2023-01-19

High pressure pump

#23
20220397107
2022-12-15

Fluid end assembly

#24
20220389916
2022-12-08

High pressure pump

#25
20220381234
2022-12-01

Fluid routing plug

#26
20220307486
2022-09-29

Fluid end

#27
20220282725
2022-09-08

High pressure pump

#28
20220282717
2022-09-08

Fluid routing plug

#29
20220235751
2022-07-28

Fluid routing plug

#30
20220163034
2022-05-26

Modular power end

#31
20220099073
2022-03-31

Fluid end

#32
20220049686
2022-02-17

Fluid end

#33
20210180552
2021-06-17

Suction valve for high-pressure fuel pump

#34
20210148349
2021-05-20

High pressure pump

#35
20210148346
2021-05-20

Modular power end

#36
20210148345
2021-05-20

Fluid routing plug

#37
20210148208
2021-05-20

Fluid end

#38
20190264401
2019-08-29

Ground striper pump piston having dual checks

#39
20180163683
2018-06-14

High pressure fuel supply pump with electromagnetic suction valve

#40
20170350377
2017-12-07

Pump capable of dispensing both a large volume and a small volume of colorant

#41
20170349426
2017-12-07

Control valve for pouring color paste in both large amount and small amount

#42
20170138356
2017-05-18

Positive-displacement piston pump and rotary distribution means

#43
20160160826
2016-06-09

High pressure fuel supply pump with electromagnetic suction valve

#44
20160003239
2016-01-07

Valve unit and a fluid working machine comprising a valve unit

#45
20140158715
2014-06-12

Vented check valves, pumps and refill units with vented check valves

#46
20140127061
2014-05-08

Piston type compressor

#47
20140099215
2014-04-10

High pressure fuel supply pump with electromagnetic suction valve

#48
20120265128
2012-10-18

Continuously conveying infusion pump

#49
20120118138
2012-05-17

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

#50
20070116587
2007-05-24

Volume-metering pump device

#51
20060008365
2006-01-12

Integrated pump and check valve apparatus

#52
20050042120
2005-02-24

Fluid-moving device with an internal passageway and a clearance seal

#53
15960255
2020-03-03

Sealed modular fluid distribution system