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CPC Subgroup
G01H 3/08

Analysing frequencies present in complex vibrations, e.g. comparing harmonics present

Full Title

Measuring vibrations by using a detector in a fluid (G01H7/00, G01H9/00, G01H11/00 take precedence) > Frequency > Analysing frequencies present in complex vibrations, e.g. comparing harmonics present

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