F16J9/064 - CPC Classification Index

ClassID:

151748 ⎘

F16J9/064 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging Rings with a flat annular side rail

Sub-classes:

F16J9/065 » {Spring expander with massive cross-section} 2
F16J9/066 » {Spring expander from sheet metal} 13

Recent Application in this class:

20230407976

2023-12-21

AXIAL THREE-WAY MODULATING VALVE

20230151894

2023-05-18

Axial three-way modulating valve

20210381596

2021-12-09

Oil ring for internal combustion engine and piston assembly including the same

20210180695

2021-06-17

Scraper ring for a three-part oil scraper ring and three-part oil scraper ring

20210164566

2021-06-03

Oil control ring and spacer expander

20200200271

2020-06-25

COMBINED PISTON STRUCTURE FOR COMPRESSOR

20200072352

2020-03-05

Oil scraper ring spring for an oil scraper ring and oil scraper ring

20180031127

2018-02-01

Side rail

20170227126

2017-08-10

Combined oil ring

#10

20170175893

2017-06-22

Combination oil ring

#11

20160076649

2016-03-17

Oil ring

#12

20160040780

2016-02-11

PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

#13

20160040622

2016-02-11

PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

#14

20150240945

2015-08-27

Three-piece oil ring for internal combustion engines, expanding element, and annular element

#15

20150184748

2015-07-02

Oil control ring assembly

#16

20150145218

2015-05-28

Combined oil control ring

#17

20140062030

2014-03-06

Combined oil ring

#18

20140021686

2014-01-23

Multi-piece oil ring

#19

20100171273

2010-07-08

Multi-rail piston ring

#20

20090273142

2009-11-05

Combined oil ring

#21

20080098884

2008-05-01

Fluidic actuator for application inside turbomachinery