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IPC Subgroup
G01M 13/025

Test-benches with rotational drive means and loading means; Load or drive simulation

Introduced: January 2019

Full Title

Testing of machine parts > Gearings; Transmission mechanisms > Test-benches with rotational drive means and loading means; Load or drive simulation

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR

1 direct subcode

Child Classifications

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  • G01M 13/026 Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test

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