F02G2253/00 - CPC Classification Index

ClassID:

140224 ⎘

F02G2253/00 - CPC Classification

Classification description:

Seals

Sub-classes:

F02G2253/01 » Rotary piston seals 2
F02G2253/02 » Reciprocating piston seals 8
F02G2253/03 » Stem seals 18
F02G2253/04 » Displacer seals 2
F02G2253/06 » Bellow seals 13
F02G2253/08 » Stem with rolling membranes 18
F02G2253/10 » Piston with rolling membranes 7
F02G2253/50 » Liquid seals 0
F02G2253/60 » Sealing of the lubrication circuit 1
F02G2253/80 » Sealing of the crankcase 15

Recent Application in this class:

20220316425

Waste heat recovery lube oil management

20050247061

Method of and apparatus for cooling a seal for machinery