F16J9/063 - CPC Classification Index

ClassID:

151747 ⎘

F16J9/063 - 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 using metallic coiled or blade springs Strip or wire along the entire circumference

Recent Application in this class:

20230349465

LATERALLY MOVEABLE COMPRESSOR PISTON ROD LIP SEAL ASSEMBLY

20230160470

SHAFT MOUNTING ASSEMBLY

20210381597

Cylinder of an internal combustion engine

20210033195

MULTIPLE PIECE SEAL RING ASSEMBLY

20180187780

Piston ring for combustion engine

20170146010

Piston seal assembly with controlled leakage

20140346737

Piston seal assembly

20130213217

Piston ring for an internal combustion engine

20100319661

Cylinder-Mounted oil wiper for an opposed piston engine

20070296154

Sealing device

20070125323

Two-stroke internal combustion engine with oil ring

20060169134

Oil-free/oil-less air compressor with an improved seal

20050224038

Reciprocating engine