DIFF Main Group
H02M 1/00 Details of apparatus for conversion
Introduced: September 1968
Of 24 combined children, 14 exist in both systems.
10 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H02M 1/02 Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters IPC+CPC Available in IPC and CPC
- H02M 1/06 Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors +1 CPC IPC+CPC Available in IPC and CPC
- H02M 1/08 Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters +2 CPC IPC+CPC Available in IPC and CPC
- H02M 1/10 Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC IPC+CPC Available in IPC and CPC
- H02M 1/12 Arrangements for reducing harmonics from AC input or output +2 CPC IPC+CPC Available in IPC and CPC
- H02M 1/14 Arrangements for reducing ripples from DC input or output +2 CPC IPC+CPC Available in IPC and CPC
- H02M 1/16 Means for providing current step on switching, e.g. with saturable reactor IPC+CPC Available in IPC and CPC
- H02M 1/32 Means for protecting converters other than automatic disconnection since 2007 +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H02,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 54,496
- MITSUBISHI ELECTRIC CORPORATION JP 10,495
- TOYOTA MOTOR CORPORATION 9,464
- GUANGDONG POWER GRID CORPORATION 9,339
- ROBERT BOSCH DE 8,226
- SIEMENS DE 8,218
- DENSO CORPORATION 7,063
- MITSUBISHI ELECTRIC CORPORATION 6,619
- SAMSUNG ELECTRONICS COMPANY KR 5,826
- GREE ELECTRIC APPLIANCES 5,094
Top Applicants (CPC)
Class H02,2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349