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IPC Subgroup
G01G 3/14

measuring variations of electrical resistance

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
WEIGHING

1 direct subcode

Child Classifications

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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