G01R 15/14 Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
Full Title
Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00 > Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
Filing statistics
CPC G01R 15/14 belongs to the parent subclass G01R, which recorded 383,760 patent applications worldwide between 2013 and 2023. Annual filings grew from 19,870 in 2013 to 47,277 in 2023 (+138%). 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
9 direct subcodes
Child Classifications
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- G01R 15/16 using capacitive devices
- G01R 15/18 using inductive devices, e.g. transformers
- G01R 15/20 using galvano-magnetic devices, e.g. Hall-effect devices
- G01R 15/22 using light-emitting devices, e.g. LED, optocouplers
- G01R 15/24 using light-modulating devices
- G01R 15/26 using modulation of waves other than light, e.g. radio or acoustic waves
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