F16J9/145 - CPC Classification Index

ClassID:

151758 ⎘

F16J9/145 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction; Details; Joint-closures of spring expanders

Recent Application in this class:

20260078822

SEALING RING ASSEMBLY WITH SPRING ELEMENT

20210285543

Joining support jig

20210180694

Cryogenic piston ring improvement

20170146010

Piston seal assembly with controlled leakage

20090250880

Oil-control ring for an internal combustion engine