DIFF Subgroup
H02J 1/10 Parallel operation of DC sources
Introduced: September 1968
Full Title
Circuit arrangements for DC mains or DC distribution networks > Parallel operation of DC sources
Additional Content IPC
Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
Of 6 combined children, 3 exist in both systems.
3 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H02J 1/102 being switching converters (H02J1/108, H02J1/12 take precedence) since 2026 IPC+CPC Available in IPC and CPC
- H02J 1/108 having arrangements for blocking reverse current flow, e.g. using diodes (H02J1/12 takes precedence) since 2026 IPC+CPC Available in IPC and CPC
- H02J 1/12 Parallel operation of DC sources having power converters with further DC sources without power converters 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