Sealing arrangements in rotary-piston machines or engines (sealings in general F16J)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Sealing arrangements in rotary-piston machines or engines

CPC: Sealing arrangements in rotary-piston machines or engines (sealings in general F16J)

Full titles differ between systems:

IPC:

Sealing arrangements in rotary-piston machines or engines

CPC:

Sealing arrangements in rotary-piston machines or engines (sealings in general F16J)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

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F01C 19/005 CPC only CPC only
F01C 19/02 Radially-movable sealings for working fluids +1 CPC IPC+CPC Available in IPC and CPC
F01C 19/08 Axially-movable sealings for working fluids +1 CPC IPC+CPC Available in IPC and CPC
F01C 19/10 Sealings for working fluids between radially and axially movable parts IPC+CPC Available in IPC and CPC
F01C 19/12 for other than working fluid +1 CPC IPC+CPC Available in IPC and CPC

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

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