ClassID:

142609

F04B1/12 - 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

Sub-classes:
Recent Application in this class:
#1
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

#2
20240401577
2024-12-05

Positive Displacement Pump

#3
20220412336
2022-12-29

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

#4
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

#5
20220185257
2022-06-16

Piston pump for brake system

#6
20220010786
2022-01-13

Piston body including an internal space for use in a hydraulic pump or motor

#7
20210293111
2021-09-23

Reliability assessable systems for actuating hydraulically actuated devices and related methods

#8
20210285311
2021-09-16

MANIFOLD SYSTEM OF LOW PRESSURE SUCTION AND HIGH PRESSURE DISCHARGE

#9
20210277891
2021-09-09

Axial piston-type hydraulic rotary machine

#10
20210246892
2021-08-12

Electric drive compressor system

#11
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

#12
20200277972
2020-09-03

Prime mover system and methods utilizing balanced flow within bi-directional power units

#13
20200199960
2020-06-25

RELIABILITY ASSESSABLE SYSTEMS FOR ACTUATING HYDRAULICALLY ACTUATED DEVICES AND RELATED METHODS

#14
20200158142
2020-05-21

Multiport pumps with multi-functional flow paths

#15
20190323490
2019-10-24

PUMPING ASSEMBLY

#16
20190162206
2019-05-30

Prime mover system and methods utilizing balanced flow within bi-directional power units

#17
20190145391
2019-05-16

Double acting positive displacement fluid pump

#18
20190045727
2019-02-14

Electric tree felling head and associated control system for a forestry vehicle

#19
20190010965
2019-01-10

Hydraulic apparatus comprising synthetically commutated machine, and operating method

#20
20180347327
2018-12-06

Lift apparatus for driving a downhole reciprocating pump

#21
20180313341
2018-11-01

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

#22
20180230992
2018-08-16

LINEAR PUMPING SYSTEM AND METHODS FOR CONTROLLING THE SAME

#23
20180135622
2018-05-17

Piston cartridge for piston pump

#24
20180128239
2018-05-10

PUMPING DEVICE FOR A WASTE HEAT RECOVERY APPARATUS IN A MOTOR VEHICLE

#25
20180030979
2018-02-01

Apparatus, system, and method for introducing a liquid into a vessel

#26
20170298911
2017-10-19

Pumping device for a waste heat recovery apparatus in a motor vehicle

#27
20170234307
2017-08-17

VOLUMETRIC PUMP WITH BLEED MECHANISM

#28
20170159654
2017-06-08

Methods and systems for routing pressurized fluid utilizing articulating arms

#29
20170130708
2017-05-11

Drive assembly and pump assembly arrangement for cryogenic pump

#30
20160377070
2016-12-29

Hydraulic machine arrangement

#31
20160281690
2016-09-29

Dual-stage cryogenic pump

#32
20160230555
2016-08-11

Axial piston machine

#33
20150337819
2015-11-26

Roundel structure for five-compressing-chamber diaphragm pump

#34
20150300332
2015-10-22

Manifold including mounting plate for fluid end block of reciprocating pump assembly

#35
20150198158
2015-07-16

Displacement pump and a control ring for a displacement pump

#36
20150086386
2015-03-26

MULTI-CHAMBER PUMP APPARATUS, SYSTEMS, AND METHODS

#37
20150078928
2015-03-19

Compressor, air conditioner system comprising the compressor and heat pump water heater system

#38
20120195772
2012-08-02

Motor pump unit

#39
20110277624
2011-11-17

Adjustment Device of a Hydrostatic Machine

#40
20110044830
2011-02-24

Pump assembly

#41
20100316510
2010-12-16

Reciprocating piston machine

#42
20100129246
2010-05-27

FLUID PUMP ASSEMBLY

#43
20080289327
2008-11-27

Linear Drive