IPC Subgroup
H02K 5/04 Casings or enclosures characterised by the shape, form or construction thereof
Introduced: September 1968
Last revised: January 2006
Full Title
Casings; Enclosures; Supports > Casings or enclosures characterised by the shape, form or construction thereof
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
10 direct subcodes
Child Classifications
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- H02K 5/06 Cast metal casings
- H02K 5/08 Insulating casings
- H02K 5/1 with arrangements for protection from ingress, e.g. of water or fingers
- H02K 5/12 specially adapted for operating in liquid or gas
- H02K 5/14 Means for supporting or protecting brushes or brush holders
- H02K 5/15 Mounting arrangements for bearing-shields or end plates
- H02K 5/16 Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K 5/18 with ribs or fins for improving heat transfer
- H02K 5/2 with channels or ducts for flow of cooling medium
- H02K 5/22 Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
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