ClassID:

142616

F04B1/143 - 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; Details or component parts Cylinders

Recent Application in this class:
#1
20260015997
2026-01-15

ROTARY SWASH PLATE HYDRAULIC PUMP

#2
20240218871
2024-07-04

HYDRAULIC DEVICE

#3
20240200541
2024-06-20

CYLINDER BARREL

#4
20240151216
2024-05-09

Piston assembly

#5
20240051108
2024-02-15

ELECTRIC TOOL

#6
20230105578
2023-04-06

Variable positive displacement pump actuator systems

#7
20230039317
2023-02-09

RECONFIGURABLE MULTI-STAGE GAS COMPRESSOR

#8
20230003216
2023-01-05

Axial piston pump with inclined plate

#9
20230003214
2023-01-05

Axial piston pump with inclined plate

#10
20220228581
2022-07-21

Double acting pump design utilizing two rotating discs

#11
20220074396
2022-03-10

Hydrostatic axial piston machine of swash plate construction

#12
20210396224
2021-12-23

Linear compressor

#13
20210148344
2021-05-20

Reconfigurable multi-stage gas compressor

#14
20210079901
2021-03-18

Ultra-long stroke multi-cylinder reciprocating pump

#15
20200332782
2020-10-22

AXIAL PISTON DEVICE

#16
20200232455
2020-07-23

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

#17
20200166025
2020-05-28

Pump and a desalination system including the pump

#18
20200072201
2020-03-05

Reciprocating pumps having a pivoting arm

#19
20200011306
2020-01-09

Axial-piston motor and cyclic process device

#20
20190368476
2019-12-05

Piston-valve engagement in fluid sprayers

#21
20190323499
2019-10-24

Linear hydraulic pump for submersible applications

#22
20190301413
2019-10-03

Plunger pump

#23
20190145403
2019-05-16

Pump with segmented fluid end housing and in-line valve

#24
20180298885
2018-10-18

Pump having a unitary body

#25
20180163718
2018-06-14

Pump plunger for a linearly actuated pump

#26
20180112653
2018-04-26

Pump and a desalination system including the pump

#27
20180071761
2018-03-15

Piston engaging with valve for self-priming in fluid sprayers

#28
20180058431
2018-03-01

Pump housing with inline valve

#29
20180045172
2018-02-15

Axial piston machine

#30
20180017045
2018-01-18

Process pump having a crank drive

#31
20170343107
2017-11-30

Cylinder drum of a hydrostatic axial piston machine having a wear-resistant layer

#32
20170184097
2017-06-29

Linear Hydraulic Pump for Submersible Applications

#33
20170184089
2017-06-29

Rotary Hydraulic Pump with ESP Motor

#34
20170159641
2017-06-08

Variable displacement pump-motor

#35
20170058877
2017-03-02

Hydrostatic Axial Piston Machine

#36
20170045028
2017-02-16

Hydraulic pump-motor

#37
20170016431
2017-01-19

Positive displacement machines and methods of increasing load-carrying capacities thereof

#38
20170002845
2017-01-05

Electro hydrostatic actuators

#39
20170002844
2017-01-05

Electro hydrostatic actuators

#40
20160348672
2016-12-01

AXIAL PISTON DEVICE

#41
20160327035
2016-11-10

HIGH-EFFICIENCY COLOR-PASTE COLOR-MIXING PUMP

#42
20160245266
2016-08-25

Piston shifting control system

#43
20160230748
2016-08-11

MECHANICAL LEVER-DRIVER FOR PRESSURE PUMP

#44
20160222961
2016-08-04

Barrel assembly for a fluid pump having separate plunger bore and outlet passage

#45
20160222955
2016-08-04

Pump for cryogenic liquids having temperature managed pumping mechanism

#46
20160222933
2016-08-04

Pump manifold

#47
20160177943
2016-06-23

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

#48
20160146202
2016-05-26

OVERSHOOT REDUCTION ON PUMP CONTROLS

#49
20160146198
2016-05-26

Metering Pump

#50
20160131119
2016-05-12

Pump device

#51
20160131116
2016-05-12

Pump arrangement

#52
20160084084
2016-03-24

Hydraulic axial-piston device with features to enhance efficiency and power-density

#53
20160069342
2016-03-10

Valve plate arrangement for an axial piston pump

#54
20160003237
2016-01-07

PUMP DISCHARGE FLOW-RATE CONTROL DEVICE

#55
20150377233
2015-12-31

Integrated lubrication pump

#56
20150308422
2015-10-29

Electric-powered pump

#57
20150292307
2015-10-15

Synchronized pump down control for a dual well unit with regenerative assist

#58
20150135943
2015-05-21

Cylinder block for a compressor, in particular swash plate compressor, and swash plate compressor

#59
20140219832
2014-08-07

Swash plate compressor having a curved piston guide wall

#60
20130042752
2013-02-21

Pump body

#61
20120213652
2012-08-23

Pump for a high-pressure cleaning device

#62
20100247338
2010-09-30

High pressure variable displacement piston pump

#63
20100226804
2010-09-09

High pressure fuel injector supply pump

#64
20100068076
2010-03-18

Hydraulic piston machine

#65
20100038134
2010-02-18

Drilling fluid pump systems and methods

#66
20070009367
2007-01-11

Close fit cylinder and plunger

#67
20060024173
2006-02-02

Pump body with plunger pistons

#68
20050008506
2005-01-13

Hydraulic axial piston pump

#69
16549568
2022-01-18

Fluid end block for frac pump

#70
14164062
2015-04-14

Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems