for liquid cooling

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Cylinders; Cylinder heads > having cooling means > for liquid cooling

CPC:

Cylinders; Cylinder heads > having cooling means (cylinder heads F02F1/26) > for liquid cooling

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

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F02F 1/102 CPC only CPC only
F02F 1/108 CPC only CPC only
F02F 1/12 Preventing corrosion of liquid-swept surfaces IPC+CPC Available in IPC and CPC
F02F 1/14 Cylinders with means for directing, guiding or distributing liquid stream IPC+CPC Available in IPC and CPC
F02F 1/16 Cylinder liners of wet type +2 CPC IPC+CPC Available in IPC and CPC
F02F 2001/104 2nd only CPC only CPC only
F02F 2001/106 2nd only CPC only CPC only

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

Class F02,2013–2023, worldwide · Source: EPO PATSTAT