CPC Main Group
G01S 11/00 Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S5/00)
4 direct subcodes
Child Classifications
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- G01S 11/02 using radio waves (G01S19/00 takes precedence)
- G01S 11/12 using electromagnetic waves other than radio waves
- G01S 11/14 using ultrasonic, sonic or infrasonic waves
- G01S 11/16 using difference in transit time between electrical and acoustic signals
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