Influencing flow of fluids

Introduced: September 1968

Title

Titles differ between systems:

IPC: Influencing the flow of fluids

CPC: Influencing flow of fluids

Full titles differ between systems:

IPC:

Influencing the flow of fluids

CPC:

Influencing flow of fluids

CPC subdivides this area 3x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

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F15D 1/0005 CPC only CPC only
F15D 1/001 CPC only CPC only
F15D 1/0015 CPC only CPC only
F15D 1/002 +3 CPC CPC only CPC only
F15D 1/009 CPC only CPC only
F15D 1/0095 CPC only CPC only
F15D 1/02 in pipes or conduits +1 CPC IPC+CPC Available in IPC and CPC
F15D 1/08 of jets leaving an orifice IPC+CPC Available in IPC and CPC
F15D 1/10 around bodies of solid material IPC+CPC Available in IPC and CPC
F15D 1/14 Diverting flow into alternative channels IPC+CPC Available in IPC and CPC

Class F15,2013–2023, worldwide · Source: EPO PATSTAT

Class F15,2013–2023, worldwide · Source: EPO PATSTAT