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IPC Subgroup
G01V 1/133

using fluidic driving means, e.g. using highly pressurised fluids

Introduced: January 1980

Last revised: January 2006

Full Title

Seismology; Seismic or acoustic prospecting or detecting > Generating seismic energy > using fluidic driving means, e.g. using highly pressurised fluids

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS

2 direct subcodes

Child Classifications

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  • G01V 1/135 by deforming or displacing surfaces of enclosures
  • G01V 1/137 which fluids escape 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. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171