Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Reciprocating-piston machines or engines with movable cylinders other than provided for in group

CPC: Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00

Full titles differ between systems:

IPC:

Reciprocating-piston machines or engines with movable cylinders other than provided for in group

CPC:

Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F01B 15/002 CPC only CPC only
F01B 15/005 CPC only CPC only
F01B 15/007 CPC only CPC only
F01B 15/02 with reciprocating cylinders (with one piston within another F01B7/20) IPC+CPC Available in IPC and CPC
F01B 15/04 with oscillating cylinder IPC+CPC Available in IPC and CPC

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

Class F01,2013–2023, worldwide · Source: EPO PATSTAT