Patents-Review.com
ClassID:

142579 ⎘

F04B1/0452 - 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 Distribution members, e.g. valves

Sub-classes:
Recent Application in this class:
#1
20250354542
2025-11-20

FLUID ROUTING PLUG

 #2
20250283465
2025-09-11

FLUID END ASSEMBLY

 #3
20250283454
2025-09-11

FLUID ROUTING PLUG

 #4
20250257727
2025-08-14

FLUID END ASSEMBLY

 #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
20240352890
2024-10-24

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

 #14
20240344506
2024-10-17

High pressure pump

 #15
20240328405
2024-10-03

Fluid end

 #16
20240318643
2024-09-26

Fluid end

 #17
20240254979
2024-08-01

MULTI-PIECE FLUID END

 #18
20240175430
2024-05-30

Fluid routing plug

 #19
20240167463
2024-05-23

Fluid routing plug

 #20
20240125309
2024-04-18

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

 #21
20240117806
2024-04-11

FLUID ROUTING PLUG

 #22
20240068469
2024-02-29

Fluid end assembly

 #23
20240068459
2024-02-29

Fluid end assembly

 #24
20240052932
2024-02-15

VALVE SEAT INSTALLATION TOOL SYSTEM

 #25
20230358219
2023-11-09

Micro piston pump

 #26
20230358217
2023-11-09

PARTIAL STROKE FLUIDIC PUMP-MOTOR WITH HIGH MECHANICAL EFFICIENCY

 #27
20230349370
2023-11-02

PRESSURE WASHER APPARATUS

 #28
20230332584
2023-10-19

Fluid routing plug

 #29
20230304480
2023-09-28

Piston pump for a high pressure cleaning device

 #30
20230272786
2023-08-31

Fluid end

 #31
20230235729
2023-07-27

COMPACT OPPOSED PUMP

 #32
20230204114
2023-06-29

VALVE SEATS FOR USE IN FRACTURING PUMPS

 #33
20230193887
2023-06-22

Fluid routing plug

 #34
20230160382
2023-05-25

Fluid end

 #35
20230124370
2023-04-20

High-pressure pump

 #36
20230050603
2023-02-16

Modular power end

 #37
20230022890
2023-01-26

Fluid end assembly

 #38
20230012666
2023-01-19

High pressure pump

 #39
20220397107
2022-12-15

Fluid end assembly

 #40
20220389916
2022-12-08

High pressure pump

 #41
20220381234
2022-12-01

Fluid routing plug

 #42
20220316461
2022-10-06

Plunger, hydraulic end and plunger pump

 #43
20220307486
2022-09-29

Fluid end

 #44
20220282725
2022-09-08

High pressure pump

 #45
20220282717
2022-09-08

Fluid routing plug

 #46
20220252058
2022-08-11

Integrated electric-to-hydraulic conversion machine

 #47
20220235751
2022-07-28

Fluid routing plug

 #48
20220163034
2022-05-26

Modular power end

 #49
20220163024
2022-05-26

Micro piston pump

 #50
20220099073
2022-03-31

Fluid end

 #51
20220049686
2022-02-17

Fluid end

 #52
20210404453
2021-12-30

Hydraulic fluid pump and retainer assembly for same

 #53
20210199108
2021-07-01

Valve failure determination in a pump monitoring system

 #54
20210180576
2021-06-17

Piston pump and piston motor

 #55
20210148349
2021-05-20

High pressure pump

 #56
20210148346
2021-05-20

Modular power end

 #57
20210148345
2021-05-20

Fluid routing plug

 #58
20210148208
2021-05-20

Fluid end

 #59
20210131407
2021-05-06

Automatic bidirectional valve and pump provided with said valve

 #60
20210095650
2021-04-01

Multi-Piece Fluid End

 #61
20210062805
2021-03-04

Valve seats and valve assemblies for fluid end applications

 #62
20200362975
2020-11-19

Valve assembly for a fluid end with limited access

 #63
20200291928
2020-09-17

Hydraulic fluid pump and retainer assembly for same

 #64
20200284365
2020-09-10

Valve seats for use in fracturing pumps

 #65
20200262401
2020-08-20

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

 #66
20200166025
2020-05-28

Pump and a desalination system including the pump

 #67
20200132029
2020-04-30

High-pressure fuel pump

 #68
20200124008
2020-04-23

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

 #69
20190360599
2019-11-28

Liner for frac pump suction manifold

 #70
20190293067
2019-09-26

CRYOGENIC PUMP

 #71
20190264682
2019-08-29

Valve seats and valve assemblies for fluid end applications

 #72
20190264681
2019-08-29

Piston pump with simplified head

 #73
20190249670
2019-08-15

Method and device for venting the suction side of a synthetically commutated hydraulic pump

 #74
20190242376
2019-08-08

Plunger pump and braking device

 #75
20190226476
2019-07-25

Valve seats and valve assemblies for fluid end applications

 #76
20190170267
2019-06-06

Valve assembly having electrical actuator with stepped armature

 #77
20190154035
2019-05-23

Fluid end for a piston pump functioning as a mud pump

 #78
20190048870
2019-02-14

Piston pump, in particular as a pressure generator in an electronically slip-controllable vehicle brake system

 #79
20190048862
2019-02-14

Piston pump for brake system

 #80
20190040850
2019-02-07

Micro piston pump

 #81
20190011051
2019-01-10

Valve body for frac pump

 #82
20180372077
2018-12-27

Device for choking a fluid flow and corresponding piston pump for delivering fluids

 #83
20180355830
2018-12-13

Electromagnetically actuatable inlet valve and high-pressure pump having an inlet valve

 #84
20180313456
2018-11-01

Valve seats for use in fracturing pumps

 #85
20180298722
2018-10-18

Frac pump seat assembly

 #86
20180187661
2018-07-05

Harmonic distribution radial piston hydraulic machine

 #87
20180112653
2018-04-26

Pump and a desalination system including the pump

 #88
20180073653
2018-03-15

Valve seats for use in fracturing pumps

 #89
20170356411
2017-12-14

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

 #90
20170204852
2017-07-20

Segmented fluid end

 #91
20170159655
2017-06-08

Valve stop retainer device

 #92
20170130693
2017-05-11

Distribution device for a hydraulic machine and a hydraulic machine fitted with such a device

 #93
20170022811
2017-01-26

Fluid rotary machine

 #94
20160280350
2016-09-29

Side-intake piston jet propulsor

 #95
20160215744
2016-07-28

Valve arrangement

 #96
20160177943
2016-06-23

Pump system including valve cartridge assembly with a suction valve in line with a discharge valve

 #97
20160160847
2016-06-09

Piston pump for brake

 #98
20160160823
2016-06-09

High pressure pump

 #99
20160146170
2016-05-26

Internal combustion engine fuel, preferably diesel fuel, feed pump assembly

 #100
20160138585
2016-05-19

High power reciprocating pump manifold and valve cartridges

 #101
20160131121
2016-05-12

Device for choking a fluid flow and corresponding piston pump for delivering fluids

 #102
20160129536
2016-05-12

Method for producing a piston pump

 #103
20160069333
2016-03-10

High-pressure pump

 #104
20160069313
2016-03-10

Fuel pump for a direct injection system

 #105
20160032908
2016-02-04

Distribution casing device for a hydraulic machine

 #106
20160010607
2016-01-14

Electronically controlled inlet metered single piston fuel pump

 #107
20150300349
2015-10-22

Variable fluid flow hydraulic pump

 #108
20150300339
2015-10-22

Pressure relief valve for single plunger fuel pump

 #109
20150292492
2015-10-15

Piston pump assembly of electronic controlled brake device for vehicle

 #110
20150272605
2015-10-01

Sterilizable pump unit

 #111
20150159485
2015-06-11

Radial cylinder hydraulic machine with a distributor each cylinder

 #112
20150144826
2015-05-28

Valve seats for use in fracturing pumps

 #113
20150071803
2015-03-12

High power reciprocating pump manifold and valve cartridges

 #114
20150020776
2015-01-22

Fuel delivery system containing high pressure pump with isolation valves

 #115
20140348676
2014-11-27

High pressure pump

 #116
20140341758
2014-11-20

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

 #117
20140241924
2014-08-28

Electromagnetic valve and high pressure pump using the same

 #118
20140147315
2014-05-29

Piston pump for delivering fluids, and associated vehicle brake system

 #119
20140134027
2014-05-15

Inlet valve arrangement for a fuel pump

 #120
20140010687
2014-01-09

High-pressure pump

 #121
20140003982
2014-01-02

Pump having a throttle

 #122
20130224046
2013-08-29

Device for throttling a fluid flow, and corresponding piston pump for delivering fluids

 #123
20130156613
2013-06-20

High performance electronic stability control pump assembly

 #124
20130000604
2013-01-03

Common rail fuel pump control system

 #125
20120251650
2012-10-04

Injection molding system having a digital displacement pump

 #126
20120180649
2012-07-19

High pressure pump

 #127
20120141303
2012-06-07

Fluid control system

 #128
20120107159
2012-05-03

Bypass unloader valve for compressor capacity control

 #129
20120103179
2012-05-03

Pump unit

 #130
20120009073
2012-01-12

Pump

 #131
20110315120
2011-12-29

High-pressure pump

 #132
20110247488
2011-10-13

High-pressure pump

 #133
20110132015
2011-06-09

Dedicated pulsing valve for compressor cylinder

 #134
20110110807
2011-05-12

High-pressure pump

 #135
20110099995
2011-05-05

PISTON PUMP OF A HYDRAULIC VEHICLE BRAKE SYSTEM

 #136
20100329911
2010-12-30

Check valve and piston pump having check valve

 #137
20100310395
2010-12-09

Pump for a vehicle brake system having a valve

 #138
20100284841
2010-11-11

Piston pump for delivering a fluid, and associated brake system

 #139
20100276234
2010-11-04

Pump element, hydraulic block with pump element, and installation method

 #140
20100247358
2010-09-30

Plastic element, piston pump, and assembly method

 #141
20100232998
2010-09-16

Piston pump for delivering a fluid, and associated brake system

 #142
20100232994
2010-09-16

Piston pump for delivering a fluid, and associated brake system

 #143
20100202908
2010-08-12

Supply device

 #144
20100154409
2010-06-24

Fluid pump device for vehicle braking systems

 #145
20100119395
2010-05-13

Valve assembly for fuel pump

 #146
20100098567
2010-04-22

Piston pump

 #147
20100098559
2010-04-22

Pump having a magnetically actuated control valve for suction regulation

 #148
20100083821
2010-04-08

Piston pump for a vehicle brake system

 #149
20090272364
2009-11-05

Radial piston pump for supplying fuel at high pressure to an internal combustion engine

 #150
20090246052
2009-10-01

Pump of electronically controlled brake system

 #151
20090246051
2009-10-01

Pump of electronically controlled brake system

 #152
20090194717
2009-08-06

High-pressure valve assembly

 #153
20090185924
2009-07-23

Piston pump

 #154
20090185923
2009-07-23

FUEL SUPPLY PUMP

 #155
20090126695
2009-05-21

Radial piston pump for supplying fuel at high pressure to an internal combustion engine

 #156
20080310971
2008-12-18

Piston pump

 #157
20080292473
2008-11-27

High-pressure pump for feeding fuel to an internal combustion engine

 #158
20080245069
2008-10-09

PUMP OF ELECTRONICALLY CONTROLLED BRAKE SYSTEM

 #159
20080190502
2008-08-14

Valve Assembly, in Particular Inlet Valve of a High-Pressure Fuel Pump

 #160
20080025857
2008-01-31

Piston Pump With Improved Pressure Build-Up Dynamics

 #161
20080003119
2008-01-03

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

 #162
20080003112
2008-01-03

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

 #163
20070292282
2007-12-20

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

 #164
20070286742
2007-12-13

High-pressure fuel pump

 #165
20070215113
2007-09-20

High-pressure pump for a fuel injection system of an internal combustion engine

 #166
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

 #167
20070177989
2007-08-02

Valve assembly for pressure washer pump

 #168
20070095405
2007-05-03

Check valve

 #169
20070092389
2007-04-26

Piston pump

 #170
20060278198
2006-12-14

Fluid pumping apparatus, system, and method

 #171
20060275165
2006-12-07

Pump with reciprocating high pressure seal and valve for vehicle braking systems

 #172
20060177326
2006-08-10

Piston pump

 #173
20060159571
2006-07-20

Conveying device

 #174
20060083647
2006-04-20

System and method for reducing noise in multi-capacity compressors

 #175
20060039811
2006-02-23

Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine

 #176
20060013701
2006-01-19

High-pressure fuel pump with a ball valve in the low-pressure inlet

 #177
20050276710
2005-12-15

Piston pump with slot-controlled inlet valve

 #178
20050265872
2005-12-01

Supply device

 #179
20050206227
2005-09-22

Pump for antilock braking system in vehicle

 #180
20050123413
2005-06-09

Radial piston pump

 #181
20050088039
2005-04-28

Pump of electronically controlled brake system

 #182
20050079082
2005-04-14

Intake valve for a high-pressure pump, in particular for internal combustion engine fuel

 #183
20050074349
2005-04-07

Pump with reciprocating high pressure seal and valve for vehicle braking systems

 #184
20050063846
2005-03-24

Piston pump

 #185
20050031478
2005-02-10

Pump, especially for a fuel injection device for an internal combustion engine

 #186
19077200
2025-06-24

Fluid end

 #187
18616194
2024-08-06

Four-quadrant radial piston hydraulic device and working method thereof

 #188
16411905
2020-10-20

Pump plunger with wrench features