Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F3/00; jet pumps F04F5/00; siphons F04F10/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped

CPC: Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F3/00; jet pumps F04F5/00; siphons F04F10/00)

Full Title

Full titles differ between systems:

IPC:

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped

CPC:

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F3/00; jet pumps F04F5/00; siphons F04F10/00)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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F04F 1/02 using both positively and negatively pressurised fluid medium, e.g. alternating IPC+CPC Available in IPC and CPC
F04F 1/06 the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence) IPC+CPC Available in IPC and CPC
F04F 1/18 the fluid medium being mixed with, or generated from the liquid to be pumped IPC+CPC Available in IPC and CPC