Units comprising pumps and their driving means

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pumping installations or systems > Units comprising pumps and their driving means

CPC:

Pumping installations or systems (controlling F04D15/00) > Units comprising pumps and their driving means

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F04D 13/021 +2 CPC CPC only CPC only
F04D 13/028 CPC only CPC only
F04D 13/04 the pump being fluid driven +2 CPC IPC+CPC Available in IPC and CPC
F04D 13/06 the pump being electrically driven +9 CPC IPC+CPC Available in IPC and CPC

Class F04,2013–2023, worldwide · Source: EPO PATSTAT

GREE ELECTRIC APPLIANCES 5,351
LG ELECTRONICS KR 3,502
ROBERT BOSCH DE 3,011
MIDEA 2,258
MITSUBISHI ELECTRIC CORPORATION JP 1,663
ZHUHAI LANDA COMPRESSOR COMPANY 1,639
GREE ELECTRIC APPLIANCES, INC.OF ZHUHAI 1,573
ZHUHAI GREE ENERGY-SAVING REFRIGERATION TECHNOLOGY RESEARCH CENTER COMPANY 1,536
TOYOTA INDUSTRIES CORPORATION 1,347
DAIKIN INDUSTRIES 1,325

Class F04,2013–2023, worldwide · Source: EPO PATSTAT