CPC Main Group
G01L 5/00 Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Filing statistics
CPC G01L 5/00 belongs to the parent subclass G01L, which recorded 97,855 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,225 in 2013 to 8,981 in 2023 (+72%), peaking at 11,079 applications in 2020. The most active applicants in class G01 are CHINESE ACADEMY OF SCIENCES (21,460 applications), ROBERT BOSCH (17,801 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (17,347 applications).
Source: EPO PATSTAT, worldwide filings
20 direct subcodes
Child Classifications
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- G01L 5/03 for measuring release force of ski safety bindings
- G01L 5/04 for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L 5/12 for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
- G01L 5/13 for measuring the tractive or propulsive power of vehicles
- G01L 5/14 for measuring the force of explosions; for measuring the energy of projectiles
- G01L 5/16 for measuring several components of force
- G01L 5/18 for measuring ratios of force
- G01L 5/20 for measuring wheel side-thrust
- G01L 5/22 for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L 5/24 for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
- G01L 5/26 for determining the characteristic of torque in relation to revolutions per unit of time
- G01L 5/28 for testing brakes
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