Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
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

Navigate with arrow keys, Enter to open

  • 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 7/12 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

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094