ClassID:

142622

F04B1/182 - 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 having self-acting distribution members, i.e. actuated by working fluid Check valves

Recent Application in this class:
#1
20250207570
2025-06-26

ROTARY SWASH PLATE HYDRAULIC PUMP

#2
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

#3
20250188913
2025-06-12

ROTARY SWASH PLATE HYDRAULIC PUMP

#4
20240051108
2024-02-15

ELECTRIC TOOL

#5
20230304485
2023-09-28

PISTON PUMP FOR A HIGH PRESSURE CLEANING DEVICE

#6
20230138582
2023-05-04

Cover, fluid end and plunger pump

#7
20220412336
2022-12-29

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

#8
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

#9
20210285438
2021-09-16

Cylinder on demand hydraulic device

#10
20190390767
2019-12-26

Control mechanism for stepless transmission

#11
20190368476
2019-12-05

Piston-valve engagement in fluid sprayers

#12
20190113028
2019-04-18

Rotatable piston assembly

#13
20180149145
2018-05-31

High pressure generator with bidirectional check valves controlling overpressure

#14
20180071761
2018-03-15

Piston engaging with valve for self-priming in fluid sprayers

#15
20170370355
2017-12-28

Pump, a homogenizer comprising said pump and a method for pumping a liquid product

#16
20170002806
2017-01-05

Hydraulic pump assembly for a vehicle

#17
20160377065
2016-12-29

Duplex Metering Pump Having a Single Liquid End

#18
20150211500
2015-07-30

Check valve for compressor

#19
20140328701
2014-11-06

PISTON PUMP FOR A HIGH-PRESSURE CLEANING APPLIANCE

#20
16549568
2022-01-18

Fluid end block for frac pump

#21
15641087
2020-10-20

High pressure pumps having a check valve keeper and associated systems and methods