IPC Main Group
H02G 9/00 Installations of electric cables or lines in or on the ground or water
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
6 direct subcodes
Child Classifications
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- H02G 9/02 laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
- H02G 9/04 in surface ducts; Ducts or covers therefor
- H02G 9/06 in underground tubes or conduits; Tubes or conduits therefor
- H02G 9/08 in tunnels
- H02G 9/1 in cable chambers, e.g. in manhole or in handhole
- H02G 9/12 supported on or from floating structures, e.g. in water
Top Applicants
Top 10 applicants by patent filingsfor 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