CPC Main Group
G01L 3/00 Measuring torque, work, mechanical power, or mechanical efficiency, in general
4 direct subcodes
Child Classifications
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- G01L 3/02 Rotary-transmission dynamometers
- G01L 3/16 Rotary-absorption dynamometers, e.g. of brake type
- G01L 3/24 Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
- G01L 3/26 Devices for measuring efficiency, i.e. the ratio of power output to power input
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382