Patents-Review.com
ClassID:

142593 ⎘

F04B1/0538 - CPC Classification

Classification description:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side

Recent Application in this class:
#1
20260139663
2026-05-21

PACKING SEAL ASSEMBLY

 #2
20260028971
2026-01-29

PISTON PUMP AND METHOD OF MANUFACTURING THE SAME

 #3
20250354542
2025-11-20

FLUID ROUTING PLUG

 #4
20250347269
2025-11-13

PISTON PUMP AND METHOD OF MANUFACTURING THE SAME

 #5
20250341262
2025-11-06

FIBER REINFORCED VALVE SEAL

 #6
20250283465
2025-09-11

FLUID END ASSEMBLY

 #7
20250283454
2025-09-11

FLUID ROUTING PLUG

 #8
20250264095
2025-08-21

PACKING SEAL ASSEMBLY

 #9
20250257722
2025-08-14

FLUID END

 #10
20250250974
2025-08-07

HIGH PRESSURE PUMP

 #11
20250250972
2025-08-07

FLUID ROUTING PLUG

 #12
20250207571
2025-06-26

FLUID END

 #13
20250180014
2025-06-05

MODULAR POWER END

 #14
20250075695
2025-03-06

FLUID END ASSEMBLY

 #15
20250003399
2025-01-02

Fluid end assembly

 #16
20240426294
2024-12-26

FLUID END ASSEMBLY

 #17
20240376875
2024-11-14

Fluid routing plug

 #18
20240344506
2024-10-17

High pressure pump

 #19
20240328405
2024-10-03

Fluid end

 #20
20240318643
2024-09-26

Fluid end

 #21
20240254979
2024-08-01

MULTI-PIECE FLUID END

 #22
20240218865
2024-07-04

Packing seal assembly

 #23
20240175430
2024-05-30

Fluid routing plug

 #24
20240167463
2024-05-23

Fluid routing plug

 #25
20240125309
2024-04-18

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

 #26
20240117806
2024-04-11

FLUID ROUTING PLUG

 #27
20240068469
2024-02-29

Fluid end assembly

 #28
20240068459
2024-02-29

Fluid end assembly

 #29
20240026906
2024-01-25

VARIABLE OUTPUT, HYDRAULIC DRIVE SYSTEM

 #30
20230383859
2023-11-30

FIBER REINFORCED VALVE SEAL

 #31
20230332584
2023-10-19

Fluid routing plug

 #32
20230323873
2023-10-12

MULTI-PIECE FLUID END

 #33
20230272786
2023-08-31

Fluid end

 #34
20230193887
2023-06-22

Fluid routing plug

 #35
20230160382
2023-05-25

Fluid end

 #36
20230050603
2023-02-16

Modular power end

 #37
20230047066
2023-02-16

Packing seal assembly

 #38
20230022890
2023-01-26

Fluid end assembly

 #39
20230012666
2023-01-19

High pressure pump

 #40
20220397107
2022-12-15

Fluid end assembly

 #41
20220389916
2022-12-08

High pressure pump

 #42
20220381234
2022-12-01

Fluid routing plug

 #43
20220316461
2022-10-06

Plunger, hydraulic end and plunger pump

 #44
20220307486
2022-09-29

Fluid end

 #45
20220282725
2022-09-08

High pressure pump

 #46
20220282720
2022-09-08

Fluid end with clamped retention

 #47
20220282719
2022-09-08

Reciprocating pump fluid cylinder sleeve assembly

 #48
20220282717
2022-09-08

Fluid routing plug

 #49
20220235751
2022-07-28

Fluid routing plug

 #50
20220163034
2022-05-26

Modular power end

 #51
20220099073
2022-03-31

Fluid end

 #52
20220049686
2022-02-17

Fluid end

 #53
20220018366
2022-01-20

Variable output, hydraulic drive system

 #54
20210404453
2021-12-30

Hydraulic fluid pump and retainer assembly for same

 #55
20210215154
2021-07-15

Fluid end assembly

 #56
20210148349
2021-05-20

High pressure pump

 #57
20210148346
2021-05-20

Modular power end

 #58
20210148345
2021-05-20

Fluid routing plug

 #59
20210148208
2021-05-20

Fluid end

 #60
20210095650
2021-04-01

Multi-Piece Fluid End

 #61
20200400132
2020-12-24

Reciprocating pump

 #62
20200300240
2020-09-24

Fluid end assembly

 #63
20200232455
2020-07-23

Pump With Segmented Fluid End Housing and In-Line Suction Valve

 #64
20200166025
2020-05-28

Pump and a desalination system including the pump

 #65
20200080541
2020-03-12

Method and system for harnessing wind energy using a tethered airfoil

 #66
20190360599
2019-11-28

Liner for frac pump suction manifold

 #67
20190178243
2019-06-13

Multi-piece fluid end

 #68
20190145403
2019-05-16

Pump with segmented fluid end housing and in-line valve

 #69
20190145400
2019-05-16

Method for remanufacturing fluid end block

 #70
20190136840
2019-05-09

Reciprocating pump

 #71
20190032685
2019-01-31

Bellows system for fluid end

 #72
20190011051
2019-01-10

Valve body for frac pump

 #73
20180313351
2018-11-01

Reciprocating pump with improved cross-bore

 #74
20180306170
2018-10-25

MEMBRANE FLUID PUMP

 #75
20180223831
2018-08-09

Pump monitoring and notification system

 #76
20180135621
2018-05-17

Fluid end and center feed suction manifold

 #77
20180112653
2018-04-26

Pump and a desalination system including the pump

 #78
20170306936
2017-10-26

Controller for hydraulic pump

 #79
20170276123
2017-09-28

DISPLACING DEVICE

 #80
20170009753
2017-01-12

Radial piston pump assemblies and use thereof in hydraulic circuits

 #81
20160123311
2016-05-05

Fluid working machine having first and second valve cylinder devices in fluid communication with each other via a common conduit

 #82
20150354537
2015-12-10

Radial piston pump and wind power generator

 #83
20130284014
2013-10-31

Radial cylinder hydraulic machine with improved oscillating radial cylinder

 #84
20130047594
2013-02-28

COVER FOR HYDRAULIC PUMP IN RENEWABLE ENERGY TURBINE GENERATOR

 #85
20120177516
2012-07-12

Pump housing of a motor vehicle hydraulic unit with at least one main cylinder connection opening

 #86
20120063929
2012-03-15

Hydraulic pump structure for wind turbine generator or tidal current generator and method of mounting hydraulic pump

 #87
20120060685
2012-03-15

Variable displacement radial piston fluid working machine

 #88
20110274573
2011-11-10

Half-sleeved and sleeveless plastic piston pumps

 #89
20100231033
2010-09-16

Hydraulic unit for slip-controlled braking systems

 #90
20100003144
2010-01-07

Pump Apparatus

 #91
20090223359
2009-09-10

Hydraulic machine arrangement

 #92
20080298982
2008-12-04

Multi-Piston Pump

 #93
20080121216
2008-05-29

Opposed pumping load high pressure common rail fuel pump

 #94
20080110168
2008-05-15

Dynamic Fluid Energy Conversion System and Method of Use

 #95
20080060513
2008-03-13

Piston cartridge

 #96
20070289442
2007-12-20

Half-sleeved and sleeveless plastic piston pumps

 #97
20070176484
2007-08-02

Horizontally opposed hydraulic piston pumps

 #98
20070110590
2007-05-17

Multipiston pump

 #99
20050253451
2005-11-17

Electrohydraulic assembly for an electronically controlled brake system

 #100
19077200
2025-06-24

Fluid end

 #101
19069120
2025-11-11

Piston pump and method of manufacturing the same

 #102
18658876
2025-04-08

Piston pump and method of manufacturing the same