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DIFF Subgroup
G01G 3/145

involving comparison with a reference value (G01G3/147 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: involving comparison with a reference value

CPC: involving comparison with a reference value (G01G3/147 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances > wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing > measuring variations of electrical resistance > Circuits specially adapted therefor > involving comparison with a reference value

CPC:

Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances > wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing > measuring variations of electrical resistance (G01G3/13 takes precedence) > Circuits specially adapted therefor > involving comparison with a reference value (G01G3/147 takes precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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