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CPC Subgroup
G01R 7/18

with iron core magnetically coupling fixed and moving coils

Full Title

Instruments capable of converting two or more currents or voltages into a single mechanical displacement (G01R9/00 takes precedence) > for forming product > having both fixed and moving coils, i.e. dynamometers > with iron core magnetically coupling fixed and moving coils

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