Patents-Review.com
ClassID:

142610 ⎘

F04B1/122 - CPC Classification

Classification description:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis Details or component parts, e.g. valves, sealings or lubrication means

Sub-classes:
Recent Application in this class:
#1
20250320855
2025-10-16

CRYOGENIC PUMP WITH DESIGNED LEAKBY FOR HYDROGEN FUELING STATION

 #2
20250223962
2025-07-10

FLUID END ASSEMBLY

 #3
20250075697
2025-03-06

Fluid end assembly

 #4
20250059963
2025-02-20

Swivel Angle Measuring Device on a Hydrostatic Axial Piston Machine with Variable Stroke Volume

 #5
20240426294
2024-12-26

FLUID END ASSEMBLY

 #6
20240167462
2024-05-23

DESMODROMIC MECHANISM AND FLUID PUMP

 #7
20240125317
2024-04-18

PLUNGER PUMPS HAVING LEAK-DETECTION SYSTEMS AND METHODS FOR USING THE SAME

 #8
20240125310
2024-04-18

SEALING ASSEMBLY AND HYDRAULIC PISTON PUMP / MOTOR

 #9
20240052816
2024-02-15

ADJUSTING DEVICE FOR AN AXIAL PISTON MACHINE

 #10
20240011480
2024-01-11

VARIABLE-DISPLACEMENT SWASH PLATE TYPE COMPRESSOR

 #11
20230407853
2023-12-21

FLUID END WITH NON-CIRCULAR BORES AND CLOSURES FOR THE SAME

 #12
20230407852
2023-12-21

FLUID END WITH NON-CIRCULAR BORES AND CLOSURES FOR THE SAME

 #13
20230287882
2023-09-14

Fluid end assembly

 #14
20230138582
2023-05-04

Cover, fluid end and plunger pump

 #15
20230136445
2023-05-04

SERVOLESS MOTOR

 #16
20230116452
2023-04-13

FLUID END ASSEMBLY

 #17
20220372972
2022-11-24

Fluid end assembly

 #18
20220228581
2022-07-21

Double acting pump design utilizing two rotating discs

 #19
20220154715
2022-05-19

Pump displacement control device having a feedback lever

 #20
20210215154
2021-07-15

Fluid end assembly

 #21
20210199098
2021-07-01

Swashplate-type axial plunger pump with multi-channel oil feed and full-flow self-cooling and double-end-face flow distribution

 #22
20200300240
2020-09-24

Fluid end assembly

 #23
20200284253
2020-09-10

Fluid end assembly

 #24
20200272879
2020-08-27

Axial piston machine having integral counting perforation

 #25
20200232455
2020-07-23

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

 #26
20200080661
2020-03-12

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

 #27
20200080660
2020-03-12

Hydraulic fluid pump and retainer assembly for same

 #28
20200040867
2020-02-06

Servoless motor

 #29
20200011306
2020-01-09

Axial-piston motor and cyclic process device

 #30
20190301413
2019-10-03

Plunger pump

 #31
20190154035
2019-05-23

Fluid end for a piston pump functioning as a mud pump

 #32
20190145403
2019-05-16

Pump with segmented fluid end housing and in-line valve

 #33
20190145389
2019-05-16

Adjusting device for an axial piston machine

 #34
20190145388
2019-05-16

HYDRAULIC ROTARY MACHINE AND VALVE PLATE THEREOF

 #35
20190017503
2019-01-17

Fluid end assembly

 #36
20180282878
2018-10-04

Workpiece with improved coating

 #37
20180135622
2018-05-17

Piston cartridge for piston pump

 #38
20180058421
2018-03-01

Axial piston machine with outlet control

 #39
20170350376
2017-12-07

HYDRAULIC PUMP

 #40
20170342970
2017-11-30

Axial piston pump/motor

 #41
20170159640
2017-06-08

Hydrostatic axial piston machine

 #42
20170030341
2017-02-02

MULTI-PLUNGER CRYOGENIC PUMP HAVING INTAKE MANIFOLD

 #43
20170002845
2017-01-05

Electro hydrostatic actuators

 #44
20170002844
2017-01-05

Electro hydrostatic actuators

 #45
20170002806
2017-01-05

Hydraulic pump assembly for a vehicle

 #46
20160369909
2016-12-22

Hydraulic valve cover assembly

 #47
20160333867
2016-11-17

Sliding shoe for a hydrostatic axial piston machine

 #48
20160222933
2016-08-04

Pump manifold

 #49
20160208853
2016-07-21

Roller bearing outer race for hydraulic unit

 #50
20160160846
2016-06-09

Piston drive assembly

 #51
20160003237
2016-01-07

PUMP DISCHARGE FLOW-RATE CONTROL DEVICE

 #52
20150211501
2015-07-30

Tilting angle control device

 #53
20150118084
2015-04-30

Automatic depressurizing pump

 #54
20150110656
2015-04-23

HYDRAULIC PISTON PUMP HAVING DISTRIBUTION THROUGH A BI-DIRECTIONAL PORT PLATE

 #55
20150086399
2015-03-26

Sealing ring for hydraulic pump distributor

 #56
20140186196
2014-07-03

Variable displacement hydraulic motor/pump

 #57
20140154112
2014-06-05

Motor-pump unit

 #58
20130256426
2013-10-03

Control valve for airless sprayer pressure adjustment

 #59
20130251295
2013-09-26

Hydraulic machine having a sliding bearing having a bearing element

 #60
20120201706
2012-08-09

Plunger type water pump

 #61
20110100319
2011-05-05

Lubrication system for fuel pump of GDI engine

 #62
20100028169
2010-02-04

Hydraulic device having an alignment component

 #63
20090123311
2009-05-14

Plunger-slipper assembly of high-pressure pump

 #64
20070031267
2007-02-08

Machine with a rotatable rotor

 #65
20060257268
2006-11-16

HYDRAULIC PUMP OR HYDRAULIC MOTOR HAVING A ROTATION SPEED SENSOR

 #66
20060254541
2006-11-16

Breather for a pump

 #67
20060156717
2006-07-20

Hydraulic stepless speed changer and power transmission device

 #68
20050084388
2005-04-21

Positive displacement liquid pump

 #69
20050069448
2005-03-31

Multi-layer sliding part and a method for its manufacture

 #70
18486025
2026-03-10

Pump packing monitoring system

 #71
17867927
2023-07-25

Debris exclusion seal guard for a pump

 #72
17213854
2022-07-19

Dual ring stuffing box