Patents-Review.com
ClassID:

142572 ⎘

F04B1/0421 - CPC Classification

Classification description:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement; Details or component parts Cylinders

Recent Application in this class:
#1
20250283465
2025-09-11

FLUID END ASSEMBLY

 #2
20250283464
2025-09-11

PACKING BORE WEAR SLEEVE RETAINER SYSTEM

 #3
20250257728
2025-08-14

PUMP WITH CONDUIT SYSTEM FLUIDLY COUPLED TO CYLINDERS

 #4
20250223962
2025-07-10

FLUID END ASSEMBLY

 #5
20250180014
2025-06-05

MODULAR POWER END

 #6
20250075697
2025-03-06

Fluid end assembly

 #7
20250075695
2025-03-06

FLUID END ASSEMBLY

 #8
20250003399
2025-01-02

Fluid end assembly

 #9
20240426294
2024-12-26

FLUID END ASSEMBLY

 #10
20240376892
2024-11-14

Packing bore wear sleeve retainer system

 #11
20240352890
2024-10-24

Oil pump for gas turbine engine and associated method of pumping oil

 #12
20240328405
2024-10-03

Fluid end

 #13
20240240633
2024-07-18

RADIAL PISTON PUMP, AND PROCESS FOR MANUFACTURING A RADIAL PISTON PUMP

 #14
20240240623
2024-07-18

RADIAL PISTON PUMP, AND PROCESS FOR MANUFACTURING A RADIAL PISTON PUMP

 #15
20240117806
2024-04-11

FLUID ROUTING PLUG

 #16
20240068459
2024-02-29

Fluid end assembly

 #17
20230304462
2023-09-28

Gasoline direct injection fuel pump with isolated plunger sleeve

 #18
20230287882
2023-09-14

Fluid end assembly

 #19
20230235729
2023-07-27

COMPACT OPPOSED PUMP

 #20
20230193906
2023-06-22

Rotary disc valve

 #21
20230116452
2023-04-13

FLUID END ASSEMBLY

 #22
20220397107
2022-12-15

Fluid end assembly

 #23
20220390055
2022-12-08

Packing bore wear sleeve retainer system

 #24
20220372972
2022-11-24

Fluid end assembly

 #25
20210293227
2021-09-23

HIGH-PRESSURE HOMOGENISER

 #26
20210215154
2021-07-15

Fluid end assembly

 #27
20210148319
2021-05-20

Piston pump

 #28
20200400132
2020-12-24

Reciprocating pump

 #29
20200300240
2020-09-24

Fluid end assembly

 #30
20200284253
2020-09-10

Fluid end assembly

 #31
20200262401
2020-08-20

Pressure-medium control valve and piston pump for an electronically slip-controllable vehicle brake system

 #32
20200191129
2020-06-18

Piston pump

 #33
20200166025
2020-05-28

Pump and a desalination system including the pump

 #34
20200124008
2020-04-23

Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine

 #35
20200080541
2020-03-12

Method and system for harnessing wind energy using a tethered airfoil

 #36
20200032753
2020-01-30

Low impact noise solenoid valve

 #37
20190277246
2019-09-12

Rotary hydraulic machine

 #38
20190178242
2019-06-13

Hydraulic drive

 #39
20190154016
2019-05-23

Fluid pump with cam geometry to reduce pulsations

 #40
20190136841
2019-05-09

Pump for supplying high-pressure fuel

 #41
20190136840
2019-05-09

Reciprocating pump

 #42
20190017503
2019-01-17

Fluid end assembly

 #43
20180355449
2018-12-13

High toughness martensitic stainless steel and reciprocating pump manufactured therewith

 #44
20180304873
2018-10-25

Hydraulic unit

 #45
20180266413
2018-09-20

ACCESS PUMP CASING

 #46
20180163719
2018-06-14

Reciprocating pump

 #47
20180135621
2018-05-17

Fluid end and center feed suction manifold

 #48
20180112653
2018-04-26

Pump and a desalination system including the pump

 #49
20180058431
2018-03-01

Pump housing with inline valve

 #50
20180010602
2018-01-11

High-pressure pump and production method thereof

 #51
20170363081
2017-12-21

Pump casing

 #52
20170356411
2017-12-14

Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine

 #53
20170306910
2017-10-26

Pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine

 #54
20170298912
2017-10-19

Hydrostatic pump barrel with sloped kidney ports

 #55
20170291586
2017-10-12

Piston pump having a stepped piston

 #56
20170184064
2017-06-29

Fuel pump

 #57
20170082094
2017-03-23

Pump

 #58
20170021814
2017-01-26

Hydraulic unit

 #59
20160356160
2016-12-08

Fluid working machine having offset valve cylinders

 #60
20160281706
2016-09-29

Removable shim clip for adjustable piston pump

 #61
20160280350
2016-09-29

Side-intake piston jet propulsor

 #62
20160138541
2016-05-19

Mechanical system forming a cam follower or a rocker arm

 #63
20160123311
2016-05-05

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

 #64
20160108900
2016-04-21

Piston pump

 #65
20160032908
2016-02-04

Distribution casing device for a hydraulic machine

 #66
20150361976
2015-12-17

Output shaft lubricating structure of liquid pressurizing pump

 #67
20150345447
2015-12-03

Plug-in pump

 #68
20150159485
2015-06-11

Radial cylinder hydraulic machine with a distributor each cylinder

 #69
20140341758
2014-11-20

Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor

 #70
20140314588
2014-10-23

Fuel injection pump

 #71
20140308143
2014-10-16

Plunger pump

 #72
20140301876
2014-10-09

Piston pump having a holder

 #73
20140216262
2014-08-07

Reciprocating pump and oxygen concentrator

 #74
20140203625
2014-07-24

Slip control braking pump having a high pressure sealing structure

 #75
20140147315
2014-05-29

Piston pump for delivering fluids, and associated vehicle brake system

 #76
20140047973
2014-02-20

Hydraulic device, in particular low-pressure accumulator with a closure element

 #77
20130336802
2013-12-19

Case flow augmenting arrangement for cooling variable speed electric motor-pumps

 #78
20130284014
2013-10-31

Radial cylinder hydraulic machine with improved oscillating radial cylinder

 #79
20130195692
2013-08-01

Supply pump

 #80
20130177464
2013-07-11

Cylinder assembly for fluid working machine

 #81
20130167957
2013-07-04

Hydraulic piston pump with a variable displacement throttle mechanism

 #82
20130064692
2013-03-14

Filter and retainer assembly for piston pump

 #83
20130061947
2013-03-14

Vehicle brake hydraulic pressure control unit and method for producing the same

 #84
20130061745
2013-03-14

Removable shim clip for adjustable piston pump

 #85
20130047836
2013-02-28

Multi-speed hydraulic pump

 #86
20130017108
2013-01-17

High pressure pump

 #87
20130017107
2013-01-17

DIESEL ENGINE FUEL INJECTION PUMP WHICH PISTONS ARE SEALED WITH ALL METAL SEAL RINGS

 #88
20120234403
2012-09-20

Housing with intersecting passages for high pressure fluid applications

 #89
20120195778
2012-08-02

HIGH PRESSURE PUMP

 #90
20120152112
2012-06-21

Fuel supply pump and manufacturing method of housing of the same

 #91
20120145131
2012-06-14

Fuel supply pump

 #92
20120137667
2012-06-07

Regenerative hydraulic pump

 #93
20120111185
2012-05-10

Compact Eccentric Radial Piston Hydraulic Machine

 #94
20120012084
2012-01-19

Fuel pump for a direct injection system

 #95
20110253109
2011-10-20

High-pressure fuel pump assembly mechanism

 #96
20110247488
2011-10-13

High-pressure pump

 #97
20110239857
2011-10-06

Piston pump

 #98
20110146600
2011-06-23

METHOD OF COOLING A HIGH PRESSURE PLUNGER

 #99
20110108007
2011-05-12

Fuel pump with reduced seal wear for a direct injection system

 #100
20100266431
2010-10-21

Gasket for high-pressure pump and high-pressure pump comprising said gasket

 #101
20100231033
2010-09-16

Hydraulic unit for slip-controlled braking systems

 #102
20100209273
2010-08-19

Piston pump

 #103
20100202908
2010-08-12

Supply device

 #104
20100202903
2010-08-12

Piston pump and operating method therefor

 #105
20100092315
2010-04-15

Fuel pump assembly

 #106
20100054967
2010-03-04

High-Pressure Fuel Pump

 #107
20100047084
2010-02-25

Fuel pump device

 #108
20100043760
2010-02-25

Fuel pump

 #109
20100040486
2010-02-18

High pressure pump

 #110
20090274568
2009-11-05

Piston pump

 #111
20090178652
2009-07-16

High pressure fuel supply pump for internal combustion engine

 #112
20090159053
2009-06-25

Pumping element for a fluid pump and method

 #113
20090110571
2009-04-30

HYDRAULIC PUMP FOR BRAKE SYSTEM

 #114
20090068039
2009-03-12

Piston pump

 #115
20090060758
2009-03-05

Fluid machine with radial cylinders

 #116
20080298991
2008-12-04

System and method for preloading a high stress area of a component

 #117
20080298982
2008-12-04

Multi-Piston Pump

 #118
20080213112
2008-09-04

Load ring mounting of pumping plunger sleeve

 #119
20080093915
2008-04-24

Vehicle brake hydraulic pressure control unit and method for producing the same

 #120
20080060513
2008-03-13

Piston cartridge

 #121
20080019853
2008-01-24

High-pressure fuel pump

 #122
20080003119
2008-01-03

Radial type reciprocating compressor and portable tool powering system with flexing connecting rod arrangement

 #123
20080003112
2008-01-03

Radial type reciprocating compressor and portable tool powering system with cylinder liner, valve and annular manifold arrangement

 #124
20070292282
2007-12-20

RECIPROCATING COMPRESSOR OR PUMP AND A PORTABLE TOOL POWERING SYSTEM INCLUDING A RECIPROCATING COMPRESSOR

 #125
20070183911
2007-08-09

Filter, piston pump using the filter, and method of mounting the filter in a valve seat member of the piston pump

 #126
20070128058
2007-06-07

High-pressure pump

 #127
20070114837
2007-05-24

Braking system for vehicle

 #128
20070098580
2007-05-03

Pump gear

 #129
20070092389
2007-04-26

Piston pump

 #130
20070041850
2007-02-22

Multi-piston pump and valve arrangement

 #131
20060198738
2006-09-07

Reciprocating pump

 #132
20060182640
2006-08-17

High pressure pump

 #133
20060127228
2006-06-15

High pressure open discharge pump system

 #134
20050265872
2005-12-01

Supply device

 #135
20050100466
2005-05-12

Fuel supply pump

 #136
20050084389
2005-04-21

Radial piston pump with flat seal between flange and housing

 #137
20050074348
2005-04-07

Piston pump

 #138
15978745
2019-11-05

Discharge cap and block for a fluid end assembly