IPC Main Group
H02G 7/00 Overhead installations of electric lines or cables
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
Additional Content
Limiting references
Installations of bus-bars
Application references
Trolley wires or contact lines for electric railways
Related Keywords
SUSPENDING of electric lines
9 direct subcodes
Child Classifications
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- H02G 7/02 Devices for adjusting or maintaining mechanical tension, e.g. take-up device
- H02G 7/04 Arrangements or devices for relieving mechanical tension
- H02G 7/05 Suspension arrangements or devices for electric cables or lines
- H02G 7/12 Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G 7/14 Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
- H02G 7/16 Devices for removing snow or ice from lines or cables
- H02G 7/18 Devices affording mechanical protection in the event of breakage of a line or cable, e.g. net for catching broken lines
- H02G 7/2 Spatial arrangements or dispositions of lines or cables on poles, posts or towers
- H02G 7/22 Arrangements of earthing wires suspended between mastheads
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