H02G 3/38 the cables or lines being installed in preestablished conduits or ducts
Introduced: January 2000
Full Title
Full titles differ between systems:
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
Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles (installations of bus-bars H02G5/00; overhead installations H02G7/00; installations in or on the ground H02G9/00) > Installations of cables or lines in walls, floors or ceilings > the cables or lines being installed in preestablished conduits or ducts
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 2000.
Child Classifications
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- H02G 3/40 using separate protective tubing in the conduits or ducts since 2000 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