IPC Main Group
G01R 15/00 Details of measuring arrangements of the types provided for in groups , or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
4 direct subcodes
Child Classifications
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- G01R 15/04 Voltage dividers
- G01R 15/08 Circuits for altering the measuring range
- G01R 15/12 Circuits for multi-testers, e.g. for measuring voltage, current, or impedance at will
- G01R 15/14 Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171