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IPC Subgroup
H02G 3/38

the cables or lines being installed in preestablished conduits or ducts

Introduced: January 2000

Last revised: January 2006

Full Title

Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles > Installations of cables or lines in walls, floors or ceilings > the cables or lines being installed in preestablished conduits or ducts

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

1 direct subcode

Child Classifications

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  • H02G 3/4 using separate protective tubing in the conduits or ducts

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