Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Heating by electric discharge > Details > Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes

CPC:

Heating by electric discharge (plasma torches H05H1/26) > Details > Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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H05B 7/148 Automatic control of power (electrode feeding arrangements H05B7/109; automatic feeding of electrodes for spot or seam welding or cutting B23K9/12; disposition of electrodes in or on furnaces F27D11/10; control of position in general G05D3/00; regulating electric characteristics of arcs in general G05F1/02; regulating electric power in general G05F1/66) since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H05,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 7,201
PANASONIC INTELLECTUAL PROPERTY 6,828
SEMICONDUCTOR ENERGY LABORATORY COMPANY 3,988
LG ELECTRONICS KR 3,564
PANASONIC INTELLECTUAL PROPERTY JP 3,533
SAMSUNG DISPLAY KR 3,310
FUJI JP 2,870
SAMSUNG ELECTRO-MECHANICS COMPANY KR 2,675
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 2,665
MURATA MANUFACTURING COMPANY JP 2,634

Top Applicants (CPC)

Class H05,2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 9,981
SAMSUNG DISPLAY KR 5,041
LG ELECTRONICS KR 4,742
PHILIP MORRIS PRODUCTS CH 4,411
PANASONIC INTELLECTUAL PROPERTY JP 3,915
PANASONIC INTELLECTUAL PROPERTY 3,471
SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
MURATA MANUFACTURING COMPANY JP 3,191
FUJI JP 2,987
SIGNIFY HOLDING NL 2,907