ClassID:

142972

F04B39/0215 - 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 -; Lubrication characterised by the use of a special lubricant

Recent Application in this class:
#1
20210270321
2021-09-02

Liquid injection ring and refrigerant lubricated bearing assembly

#2
20190285063
2019-09-19

REFRIGERANT COMPRESSOR AND FREEZER/REFRIGERATOR INCLUDING SAME

#3
20190128249
2019-05-02

Electric compressor, and refrigeration air-conditioning apparatus

#4
20190032971
2019-01-31

Refrigerant compressor and freezing apparatus using same

#5
20180340527
2018-11-29

Refrigerant compressor and refrigeration device including refrigerant compressor

#6
20180245576
2018-08-30

Refrigerant compressor and refrigeration device including refrigerant compressor

#7
20180201869
2018-07-19

Lubricating coating composition and compressor including the same

#8
20170218931
2017-08-03

Linear compressor

#9
20170097007
2017-04-06

Refrigerant lube system

#10
20160060564
2016-03-03

Lubricating coating composition and compressor including the same

#11
20150337824
2015-11-26

SWASH PLATE TYPE COMPRESSOR

#12
20150337823
2015-11-26

Lubricant-Free Compressor Having a Graphite Piston in a Glass Cylinder

#13
20150033884
2015-02-05

Swash plate

#14
20130058815
2013-03-07

Reciprocating compressor with gas bearing

#15
20120247141
2012-10-04

Reciprocating Refrigeration Compressor Oil Sealing

#16
20110280740
2011-11-17

Ultra-low friction air pump for creating oscillatory or pulsed jets

#17
20100236282
2010-09-23

REFRIGERANT COMPRESSOR

#18
20100222535
2010-09-02

Hypercompressor Lubricants for High Pressure Polyolefin Production

#19
20100221129
2010-09-02

HERMETIC COMPRESSOR

#20
20100147016
2010-06-17

Lubricating oil composition for refrigerators and compressors with the composition

#21
20090082232
2009-03-26

Refrigerating-machine oil composition and compressor and refrigerating apparatus both employing the same

#22
20080253909
2008-10-16

Refrigerant compressor

#23
20080152521
2008-06-26

Ultra-low friction air pump for creating oscillatory or pulsed jets

#24
20060204373
2006-09-14

Hermetic compressor

#25
20060120891
2006-06-08

Reciprocating compressor for compressing refrigerant

#26
20060064992
2006-03-30

Refrigerating system having reciprocating compressor

#27
20050084390
2005-04-21

Refrigerant compressor and friction control process therefor