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PCE
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CPC Subgroup
G01V 1/133

using fluidic driving means, e.g. highly pressurised fluids; (G01V1/104 takes precedence)

Full Title

Seismology; Seismic or acoustic prospecting or detecting > Generating seismic energy > using fluidic driving means, e.g. highly pressurised fluids; (G01V1/104 takes precedence)

2 direct subcodes

Child Classifications

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  • G01V 1/135 by deforming or displacing surfaces of enclosures
  • G01V 1/137 which fluid escapes from the generator in a pulsating manner, e.g. for generating bursts

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