ClassID:

142803

F04B19/022 - CPC Classification

Classification description:

Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups  -  having movable cylinders reciprocating cylinders

Recent Application in this class:
#1
20260102557
2026-04-16

PUMP MECHANISM WITH DOUBLE RESERVOIR AND STATIONARY FLUID PORTS

#2
20250353720
2025-11-20

LIQUID PUMPING DEVICE AND LIQUID PUMPING AND LID OPENING APPARATUS

#3
20240280101
2024-08-22

Reversible Reciprocating Pump

#4
20240042126
2024-02-08

PUMP MECHANISM WITH DOUBLE RESERVOIR AND STATIONARY FLUID PORTS

#5
20220356878
2022-11-10

Reversible Reciprocating Pump

#6
20220128053
2022-04-28

Reversible Reciprocating Pump

#7
20190277273
2019-09-12

Inflating device

#8
20190128247
2019-05-02

System and Method for a Reciprocating Injection Pump

#9
20190048862
2019-02-14

Piston pump for brake system

#10
20180135608
2018-05-17

Plural component proportioner comprising a first pump and a second pump simultaneously driven by a motor connected to the pumps by a yoke assembly comprising a shoe, a tie plate including a slot, and a tie rod

#11
20170096997
2017-04-06

Variable capacity reciprocating compressor

#12
20160333870
2016-11-17

Liquid supply device

#13
20160265618
2016-09-15

Actuator system with dual chambers

#14
20150044066
2015-02-12

Variable capacity reciprocating compressor

#15
20130156621
2013-06-20

Lance pump with a ram

#16
20100260634
2010-10-14

Volumetric Pump With Reciprocated and Rotated Piston

#17
20100047083
2010-02-25

High pressure pump of variable displacement

#18
20090196775
2009-08-06

Volumetric pump comprising a driving mechanism

#19
20090104059
2009-04-23

Air pump having selectable low pressure and high pressure mode

#20
20090053086
2009-02-26

Volumetric pump with reciprocated and rotated piston

#21
20080260559
2008-10-23

Harmonic Motion Pumping Tube

#22
20060083627
2006-04-20

Vapor compression system including a swiveling compressor

#23
20050013716
2005-01-20

High-pressure generating device

#24
15601628
2020-06-16

Hydraulic system and method for providing fluid pressure to hydraulically-powered systems