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CPC Subgroup
G01R 11/48

Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy

Full Title

Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption (monitoring electric consumption of electrically-propelled vehicles B60L3/00) > Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy

3 direct subcodes

Child Classifications

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  • G01R 11/50 for measuring real component
  • G01R 11/52 for measuring reactive component
  • G01R 11/54 for measuring simultaneously at least two of the following three variables: real component, reactive component, apparent energy

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