Patents-Review.com
ClassID:

142626 ⎘

F04B1/20 - 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 having rotary cylinder block

Sub-classes:
Recent Application in this class:
#1
20260132782
2026-05-14

PRESSURE SOURCE UNIT

 #2
20250389285
2025-12-25

HYDRAULIC SYSTEM

 #3
20250101966
2025-03-27

INTEGRATED ELECTRO-HYDRAULIC UNIT

 #4
20240318642
2024-09-26

ACTUATION SYSTEM FOR A MOTOR

 #5
20240003341
2024-01-04

DISPLACEMENT CONTROL FOR HYDRAULIC PUMP

 #6
20230279847
2023-09-07

Hub Feed Oil System

 #7
20230136445
2023-05-04

SERVOLESS MOTOR

 #8
20230102332
2023-03-30

Electronic Pressure Compensated Hydraulic Motor Pump with Variable Output Power

 #9
20210277891
2021-09-09

Axial piston-type hydraulic rotary machine

 #10
20210190066
2021-06-24

Valve plate assembly

 #11
20210164501
2021-06-03

Hydraulic axial piston unit and method for controlling of a hydraulic axial piston unit

 #12
20210095647
2021-04-01

Axial piston pump with port plate having balance feed aperture relief feature

 #13
20200340463
2020-10-29

Bent axis hydraulic pump with centrifugal assist

 #14
20200340460
2020-10-29

Hydraulic machine, hydraulic assembly having the hydraulic machine, and hydraulic axle having the hydraulic machine

 #15
20200124037
2020-04-23

Compressor including cylinder block corresponding to outer rotor type motor

 #16
20200072205
2020-03-05

Hydrostatic positive displacement machine

 #17
20200040867
2020-02-06

Servoless motor

 #18
20200018298
2020-01-16

Liquid pressure rotary machine

 #19
20190323489
2019-10-24

Axial piston machine with pressure relief in the through drive space

 #20
20190316572
2019-10-17

Hydrostatic axial piston machine

 #21
20190264564
2019-08-29

Cylinder block and swash plate type liquid-pressure rotating apparatus including same

 #22
20190249762
2019-08-15

Hydraulic transaxle

 #23
20190234388
2019-08-01

Hydraulic machine

 #24
20190219041
2019-07-18

Port plate for integrated drive generator

 #25
20190154016
2019-05-23

Fluid pump with cam geometry to reduce pulsations

 #26
20190113028
2019-04-18

Rotatable piston assembly

 #27
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

 #28
20190048861
2019-02-14

Hydrostatic axial piston machine

 #29
20180252209
2018-09-06

Connector plate, hydraulic machine having a connector plate, and hydrostatic unit having a hydraulic machine and a hydraulic attachment part

 #30
20180223992
2018-08-09

Control mechanism for stepless transmission

 #31
20180135605
2018-05-17

Method for operating an axial piston machine of swashplate design

 #32
20180002007
2018-01-04

Duplicated hydraulic circuit with pressure regulation

 #33
20170328323
2017-11-16

Axial piston pump having a piston housing having fixed field members mounted thereto and interacting with a stator surrounding the housing and configured to generate a force which urges the housing in an axial direction

 #34
20170321668
2017-11-09

Axial Piston Machine

 #35
20170306590
2017-10-26

Hydraulic drive system of construction machine

 #36
20170298912
2017-10-19

Hydrostatic pump barrel with sloped kidney ports

 #37
20170234338
2017-08-17

Hydrostatic drive

 #38
20170198730
2017-07-13

Hydraulic apparatus

 #39
20170184080
2017-06-29

SHOE FOR HYDRAULIC ROTARY DEVICE, AND HYDRAULIC ROTARY DEVICE

 #40
20170152832
2017-06-01

Hydraulic machine with floating cylinders

 #41
20170145991
2017-05-25

Vibratory drive with hydraulic pulse generator

 #42
20170023053
2017-01-26

Hydraulic unit

 #43
20170002845
2017-01-05

Electro hydrostatic actuators

 #44
20170002844
2017-01-05

Electro hydrostatic actuators

 #45
20160377066
2016-12-29

WATER-HYDRAULIC MACHINE

 #46
20160230788
2016-08-11

Hydraulic machine

 #47
20160230761
2016-08-11

Hydraulic arrangement

 #48
20160146244
2016-05-26

Variable shaft for hydraulic unit

 #49
20160146243
2016-05-26

Fixed shaft for hydraulic unit

 #50
20160131117
2016-05-12

Hydraulic machine comprising cylinders provided with angularly offset openings

 #51
20160048133
2016-02-18

Hydraulic pump assembly

 #52
20150377223
2015-12-31

Hydraulic swash block positioning system

 #53
20150285077
2015-10-08

Axial piston machine utilizing a bent-axis construction with a drive joint for driving the cylinder barrel

 #54
20150226204
2015-08-13

Electrically actuated pressure regulating valve for an adjustable hydrostatic pump, and adjustable hydrostatic pump having a pressure regulating valve

 #55
20150152854
2015-06-04

Variable Displacement Compressor

 #56
20150147191
2015-05-28

Pump control system and method

 #57
20150128796
2015-05-14

Hydrostatic axial piston machine

 #58
20150082631
2015-03-26

Method for assembling a bent-axis pump/motor

 #59
20150075365
2015-03-19

Hydrostatic axial piston machine employing a bent-axis construction

 #60
20150075364
2015-03-19

Hydrostatic axial piston machine employing a bent-axis construction with a constant velocity joint for driving the cylinder drum

 #61
20150075158
2015-03-19

Piston pump

 #62
20150068395
2015-03-12

Axial piston device

 #63
20150050164
2015-02-19

Hydraulic machine, in particular hydraulic pressure exchanger

 #64
20140360352
2014-12-11

Hydrostatic axial piston machine and retention plate

 #65
20140109761
2014-04-24

AXIAL PUMP HAVING STRESS REDUCED PORT PLATE

 #66
20140017100
2014-01-16

Piston compressor

 #67
20140003971
2014-01-02

Hydrostatic machine, in particular axial piston machine

 #68
20140000449
2014-01-02

Adjusting device of a hydrostatic module

 #69
20130224044
2013-08-29

Hydraulic pump

 #70
20130205987
2013-08-15

Hydraulic axial piston machine

 #71
20130199362
2013-08-08

BENT AXIS VARIABLE DELIVERY INLINE DRIVE AXIAL PISTON PUMP AND/OR MOTOR

 #72
20130000481
2013-01-03

COOLING STRUCTURE OF CYLINDER BLOCK AND SWASH PLATE TYPE LIQUID-PRESSURE APPARATUS INCLUDING SAME

 #73
20120269656
2012-10-25

Opposing swash plate piston pump/motor

 #74
20120020813
2012-01-26

Micro compressor

 #75
20110088545
2011-04-21

Hydraulic actuator unit

 #76
20110044830
2011-02-24

Pump assembly

 #77
20110030644
2011-02-10

Flow-optimized cylinder drum for hydrostatic piston engines

 #78
20110006006
2011-01-13

Combined axial piston liquid pump and energy recovery pressure exchanger

 #79
20100254641
2010-10-07

ROTARY-SLIDE BEARING WITH A CONVEX AND AN ELASTICALLY YIELDING SLIDING SURFACE

 #80
20100083822
2010-04-08

Opposing swash plate piston pump/motor

 #81
20100044026
2010-02-25

Oil well pump

 #82
20090095149
2009-04-16

Axial piston machine

 #83
20080298979
2008-12-04

Engine

 #84
20080175725
2008-07-24

Rotary piston pump

 #85
20070144166
2007-06-28

Hydrostatic drive system, with division of the quantity of hydraulic fluid at the pump, for two hydraulic circuits

 #86
20060239839
2006-10-26

Universal hybrid engine, compressor and pump, and method of operation

 #87
20060051223
2006-03-09

Hydrotransformer

 #88
20060037895
2006-02-23

Pressure exchange apparatus with integral pump

 #89
20060034703
2006-02-16

Metering Pump with proportional output

 #90
18348760
2024-07-09

Integrated electro-hydraulic unit

 #91
14096648
2016-11-01

Holddown system for an axial piston pump