F16J9/02 - CPC Classification Index

ClassID:

151742 ⎘

F16J9/02 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction L-section rings

Recent Application in this class:

20230184332

2023-06-15

Piston ring arrangement, piston compressor and method for sealing a compression chamber

20220049769

2022-02-17

Piston ring and piston with internal groove sealing

20200025189

2020-01-23

Compressor assembly for a compressed-air feed of a compressed-air supply system

20190219168

2019-07-18

Two-part oil control ring having axial stabilization and twist compensation

20180080555

2018-03-22

Compression ring for pistons

20160138714

2016-05-19

Low tension piston rings and method for manufacturing the same

20150354702

2015-12-10

Piston ring for internal combustion engines with increased fatigue strength, and method for producing same

20150021861

2015-01-22

ENGINE HAVING PISTON WITH L-SHAPED TIMING RING

20140298984

2014-10-09

Two-part stationary ring for devices having pistons

#10

20140265148

2014-09-18

Low tension piston rings and method for manufacturing the same

#11

20130213341

2013-08-22

ENGINE HAVING PISTON WITH L-SHAPED TIMING RING

#12

20130206095

2013-08-15

Piston with enhanced cooling gallery

#13

20070125323

2007-06-07

Two-stroke internal combustion engine with oil ring

#14

20050184465

2005-08-25

Seal assembly manufacturing methods