IPC Subgroup
G01M 13/02 Gearings; Transmission mechanisms
Introduced: September 1968
Last revised: January 2019
Full Title
Testing of machine parts > Gearings; Transmission mechanisms
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
6 direct subcodes
Child Classifications
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- G01M 13/021 Gearings
- G01M 13/022 Power-transmitting couplings or clutches
- G01M 13/023 Power-transmitting endless elements, e.g. belts or chains
- G01M 13/025 Test-benches with rotational drive means and loading means; Load or drive simulation
- G01M 13/027 Test-benches with force-applying means, e.g. loading of drive shafts along several directions
- G01M 13/028 Acoustic or vibration analysis
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171