ClassID:

143003

F04B39/1046 - CPC Classification

Classification description:

Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups -; Adaptations or arrangements of distribution members Combination of in- and outlet valve

Recent Application in this class:
#1
20260110294
2026-04-23

A MULTI-GEAR INFLATION AND DEFLATION DEVICE FOR A SWIMMING POOL

#2
20260016000
2026-01-15

PISTON COMPRESSOR VALVE ARRANGEMENT AND METHOD OF USE

#3
20250163902
2025-05-22

VARIABLE DIAMETER VALVE BORES FOR THRU ROD FLUID ENDS

#4
20220112890
2022-04-14

Hermetic compressor with discharge valve plate edges and discharge valve stopper aligned along a curved virtual line

#5
20210277880
2021-09-09

Linear actuator pumping system

#6
20200011317
2020-01-09

FLUID END WITH REMOVABLE DUAL-VALVE CARTRIDGE

#7
20190195213
2019-06-27

Electric driven gas booster

#8
20190010909
2019-01-10

Fuel pump solenoid assembly method

#9
20190003611
2019-01-03

Fuel pump solenoid having hydraulic damping

#10
20190003605
2019-01-03

Pump valve configuration and assembly method

#11
20190003603
2019-01-03

Asymmetric spring valve disk

#12
20190003598
2019-01-03

Combined inlet and outlet check valve seat

#13
20190003474
2019-01-03

Fuel sending unit assembly and operation

#14
20180363637
2018-12-20

Variable displacement swash plate type compressor

#15
20180195502
2018-07-12

Linear compressor

#16
20180045191
2018-02-15

Pump unit and method of manufacturing same

#17
20170292508
2017-10-12

VALVE UNIT FOR A PISTON COMPRESSOR AND PISTON COMPRESSOR

#18
20170218935
2017-08-03

HOUSING UPPER PART OF A LABYRINTH PISTON COMPRESSOR AND METHOD FOR COOLING SAME, AND LABYRINTH PISTON COMPRESSOR

#19
20160341186
2016-11-24

Hydraulic double-acting hand pump

#20
20160138585
2016-05-19

High power reciprocating pump manifold and valve cartridges

#21
20150071803
2015-03-12

High power reciprocating pump manifold and valve cartridges

#22
20140348677
2014-11-27

Positive Displacement Pump and Suction Valve Module Therefor

#23
20130032151
2013-02-07

PUMP AND EXHALATION VALVE CONTROL FOR RESPIRATOR APPARATUS

#24
20120085323
2012-04-12

Fluid injector having a novel inlet valve arrangement

#25
20100269927
2010-10-28

Automatic concentric crank-side compressor valve

#26
20100139660
2010-06-10

Pump and exhalation valve control for respirator apparatus

#27
20100014992
2010-01-21

Reciprocating positive-displacement compressors