Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00

Child Classifications

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• F01C 2021/12 2nd only +2 CPC CPC only CPC only
• F01C 2021/16 2nd only +7 CPC CPC only CPC only
• F01C 21/001 +1 CPC CPC only CPC only
• F01C 21/003 +2 CPC CPC only CPC only
• F01C 21/007 CPC only CPC only
• F01C 21/008 CPC only CPC only
• F01C 21/02 Arrangements of bearings (bearing constructions F16C) IPC+CPC Available in IPC and CPC
• F01C 21/04 Lubrication (of machines or engines in general F01M) +1 CPC IPC+CPC Available in IPC and CPC
• F01C 21/06 Heating; Cooling (of machines or engines in general F01P); Heat insulation (heat insulation in general F16L) IPC+CPC Available in IPC and CPC
• F01C 21/08 Rotary pistons (reciprocating pistons in general F16J) +1 CPC IPC+CPC Available in IPC and CPC
• F01C 21/10 Outer members for co-operation with rotary pistons; Casings (casings for rotary engines or machines in general F16M) +2 CPC IPC+CPC Available in IPC and CPC
• F01C 21/18 Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet since 2006 +2 CPC IPC+CPC Available in IPC and CPC