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CPC Subgroup
G01M 13/02

Gearings; Transmission mechanisms

Full Title

Testing of machine parts > Gearings; Transmission mechanisms

6 direct subcodes

Child Classifications

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  • G01M 13/021 Gearings
  • G01M 13/022 Power-transmitting couplings or clutches
  • G01M 13/023 Power-transmitting endless elements, e.g. belts or chains
  • G01M 13/027 Test-benches with force-applying means, e.g. loading of drive shafts along several directions
  • G01M 13/028 Acoustic or vibration analysis

Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382