CPC Subgroup
G01P 3/495 where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
Full Title
Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P5/00 - G01P11/00 take precedence; ; counting mechanisms G06M) > Devices characterised by the use of electric or magnetic means (G01P3/66 takes precedence; measuring electric or magnetic values in general G01R) > for measuring angular speed (G01P3/56 takes precedence) > using eddy currents > where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
2 direct subcodes
Child Classifications
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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