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PCE
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DIFF Subgroup
H02M 1/20

Contact mechanisms of dynamic converters

Introduced: September 1968

Full Title

Details of apparatus for conversion > Contact mechanisms of dynamic converters

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • H02M 1/22 incorporating collectors and brushes IPC+CPC Available in IPC and CPC
  • H02M 1/24 incorporating rolling or tumbling contacts IPC+CPC Available in IPC and CPC
  • H02M 1/26 incorporating cam-operated contacts IPC+CPC Available in IPC and CPC
  • H02M 1/28 incorporating electromagnetically-operated vibrating contacts IPC+CPC Available in IPC and CPC
  • H02M 1/30 incorporating liquid contacts IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class H02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 24,515
  2. MITSUBISHI ELECTRIC CORPORATION JP 11,346
  3. SIEMENS DE 9,026
  4. ROBERT BOSCH DE 9,005
  5. SAMSUNG ELECTRONICS COMPANY KR 6,729
  6. GUANGDONG POWER GRID CORPORATION 5,740
  7. DENSO CORPORATION JP 5,077
  8. LG ELECTRONICS KR 5,041
  9. LG INNOTEK COMPANY KR 4,442
  10. TOYOTA MOTOR CORPORATION 4,349