Patents-Review.com
ClassID:

142614 ⎘

F04B1/14 - 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 stationary cylinders

Sub-classes:
Recent Application in this class:
#1
20260078746
2026-03-19

COOLING FOR AN ELECTRICALLY OPERATED DISPLACEMENT PUMP

 #2
20260014575
2026-01-15

PORTABLE AIRLESS SPRAYER

 #3
20250207575
2025-06-26

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

 #4
20250198398
2025-06-19

WOBBLE PLATE PISTON WATER PUMP FOR USE IN A LOW FLOW GAS PRESSURE WASHER OR A LOW CURRENT ELECTRIC PRESSURE WASHER

 #5
20240424509
2024-12-26

PORTABLE AIRLESS SPRAYER

 #6
20240337256
2024-10-10

ELECTRO-HYDRAULIC APPARATUS, AND VEHICLE COMPRISING ELECTRO-HYDRAULIC APPARATUS

 #7
20240183347
2024-06-06

COOLING FOR AN ELECTRICALLY OPERATED DISPLACEMENT PUMP

 #8
20240125313
2024-04-18

Drive system for a positive displacement pump

 #9
20240102467
2024-03-28

AXIAL PUMP WITH INCLINED PLATE

 #10
20240011480
2024-01-11

VARIABLE-DISPLACEMENT SWASH PLATE TYPE COMPRESSOR

 #11
20230271205
2023-08-31

Portable airless sprayer

 #12
20230271204
2023-08-31

Portable airless sprayer

 #13
20230219107
2023-07-13

Portable airless sprayer

 #14
20230003216
2023-01-05

Axial piston pump with inclined plate

 #15
20230003214
2023-01-05

Axial piston pump with inclined plate

 #16
20220412336
2022-12-29

Wobble plate pistonwater pump for use ina low flow gas pressure washer or a low current electric pressure washer

 #17
20220364557
2022-11-17

Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer

 #18
20220266280
2022-08-25

Portable airless sprayer

 #19
20220266279
2022-08-25

Portable airless sprayer

 #20
20220049685
2022-02-17

Hydraulic rotating machine

 #21
20220018339
2022-01-20

Variable stroke pump

 #22
20210310475
2021-10-07

Drive system for a positive displacement pump

 #23
20210246892
2021-08-12

Electric drive compressor system

 #24
20210164454
2021-06-03

Power head of vertical reciprocating pump with multi-spherical connection, and water injection pump using the same

 #25
20210162439
2021-06-03

Portable airless sprayer

 #26
20210140415
2021-05-13

Variable stroke pump

 #27
20200392948
2020-12-17

Fluid pump

 #28
20200347836
2020-11-05

Wobble plate piston water pump for use in a low flow gas pressure washer or a low current electric pressure washer

 #29
20200300238
2020-09-24

Pump with multiple outlets

 #30
20200131605
2020-04-30

Aluminum alloy

 #31
20190323499
2019-10-24

Linear hydraulic pump for submersible applications

 #32
20190211817
2019-07-11

High-pressure positive displacement plunger pump

 #33
20190120215
2019-04-25

VARIABLE CONTROLLED RECIPROCATION DEVICE FOR FLUIDS

 #34
20190113028
2019-04-18

Rotatable piston assembly

 #35
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

 #36
20180313341
2018-11-01

Wobble plate piston pump for low flow gas and electric water pressure washers

 #37
20180252209
2018-09-06

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

 #38
20180214897
2018-08-02

Portable airless sprayer

 #39
20180195491
2018-07-12

Hydrostatic axial piston motor of bent-axis construction

 #40
20180180042
2018-06-28

SUBMERGIBLE CRYOGENIC PUMP WITH LINEAR ELECTROMAGNETIC MOTOR DRIVE

 #41
20180163718
2018-06-14

Pump plunger for a linearly actuated pump

 #42
20180058421
2018-03-01

Axial piston machine with outlet control

 #43
20180045171
2018-02-15

Axial piston machine

 #44
20180002007
2018-01-04

Duplicated hydraulic circuit with pressure regulation

 #45
20170254321
2017-09-07

MULTI-CHAMBER WITH ULTRA-HIGH-PRESSURE OR HYDRAULIC MOTOR COMPRESSORS OR MOTOR PUMPS FOR COMPRESSING GAS OR LIQUID AT ULTRA-HIGH PRESSURE, FORMED BY SEVERAL DIFFERENT-SIZED CONCENTRIC CHAMBERS, WHEREIN EACH CHAMBER CONTAINS SMALLER CHAMBERS

 #46
20170191474
2017-07-06

Method of pulselessly displacing fluid

 #47
20170145991
2017-05-25

Vibratory drive with hydraulic pulse generator

 #48
20160252089
2016-09-01

Electric motor driven pump

 #49
20160084240
2016-03-24

Integrated Pump Pressure Washer

 #50
20150316045
2015-11-05

Unitary fluid flow apparatus for inflating and deflating a device

 #51
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

 #52
20140170005
2014-06-19

Liquid supply apparatus

 #53
20140034754
2014-02-06

Portable airless sprayer

 #54
20130309112
2013-11-21

Reciprocating pump with high-pressure seal

 #55
20130206867
2013-08-15

Portable airless sprayer

 #56
20130206856
2013-08-15

Portable airless sprayer

 #57
20120201706
2012-08-09

Plunger type water pump

 #58
20110198413
2011-08-18

Portable airless sprayer

 #59
20110081261
2011-04-07

Pressure washer pump and engine system

 #60
20110044830
2011-02-24

Pump assembly

 #61
20100307599
2010-12-09

FLUID DEVICE WITH MAGNETIC LATCHING VALVES

 #62
20100236522
2010-09-23

Rotary Cylindrical Device With Coupled Pairs of Pistons

 #63
20100038959
2010-02-18

LINEAR DUAL CHANNEL HYDRAULIC CONTROL UNIT

 #64
20100038134
2010-02-18

Drilling fluid pump systems and methods

 #65
20090317274
2009-12-24

Hydraulic pump

 #66
20090185917
2009-07-23

Fluid pressure exchange mechanism and method of operating same

 #67
20090127925
2009-05-21

Linear single channel hydraulic control unit

 #68
20090077960
2009-03-26

ORBITAL TRANSMISSION WITH GEARED OVERDRIVE

 #69
20090077959
2009-03-26

ORBITAL TRANSMISSION WITH GEARED OVERDRIVE

 #70
20090060765
2009-03-05

Axial piston pump, and power transmission device with axial piston pump

 #71
20080006237
2008-01-10

Rotary cylindrical power device

 #72
20070207043
2007-09-06

Enclosed vertically mounted engine

 #73
20070053780
2007-03-08

IMPROVED DESIGN OF INTEGRATED ELECTRO-HYDRAULIC POWER UNIT

 #74
20070009367
2007-01-11

Close fit cylinder and plunger

 #75
20060283185
2006-12-21

Orbital transmission with geared overdrive

 #76
20060013699
2006-01-19

Hydraulic pump

 #77
20050175479
2005-08-11

Electro-hydraulic power unit with a rotary cam hydraulic power unit

 #78
17832238
2023-10-03

Compressor

 #79
16883719
2021-01-05

Submersible pump assembly and method for use of same