ClassID:

143008

F04B39/108 - 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 the members being reed valves circular reed valves

Recent Application in this class:
#1
20250146483
2025-05-08

RECIPROCATING COMPRESSOR WITH NON-SELF-ACTUATED SUCTION VALVE

#2
20230048353
2023-02-16

Air compressor with ramped head deck

#3
20220057019
2022-02-24

Valve

#4
20190360476
2019-11-28

Swash plate type compressor

#5
20170321672
2017-11-09

Linear compressor

#6
20170248132
2017-08-31

Air compressor

#7
20170130731
2017-05-11

Drip tight pump

#8
20170114911
2017-04-27

Valve structure, nonlubricated linear compressor, and cryocooler

#9
20150316051
2015-11-05

Pump/compressor valve seat

#10
20150316044
2015-11-05

Discharge reed valve for reciprocating refrigeration compressor

#11
20150118084
2015-04-30

Automatic depressurizing pump

#12
20140003986
2014-01-02

Discharge valve for reciprocating compressor having inner and outer flow areas

#13
20130084201
2013-04-04

Compressor having suction reed valve and valve plate arrangement

#14
20130055887
2013-03-07

MULTIPLE VALVE HEAD COMPRESSOR APPARATUS

#15
20100183463
2010-07-22

Piston for a refrigeration compressor

#16
20090238697
2009-09-24

Double-headed piston type compressor

#17
20090050217
2009-02-26

Check valve

#18
20080314459
2008-12-25

CHECK VALVE FOR A COMPRESSOR

#19
20060104844
2006-05-18

Multi-stage piston type compressor

#20
20060093498
2006-05-04

Linear compressor

#21
20060067844
2006-03-30

Piston compressor, particularly hermetical refrigerant compressor

#22
20060051219
2006-03-09

Pump comprising a shield valve controlled by the conveying medium

#23
20060034712
2006-02-16

Refrigerants suction guide structure for reciprocating compressor