CPC Main Group
G01R 1/00 Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00 (constructional details particular to arrangements for measuring the electric consumption G01R11/02)
8 direct subcodes
Child Classifications
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- G01R 1/02 General constructional details
- G01R 1/20 Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R 1/28 Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
- G01R 1/30 Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
- G01R 1/36 Overload-protection arrangements or circuits for electric measuring instruments
- G01R 1/38 Arrangements for altering the indicating characteristic, e.g. by modifying the air gap
- G01R 1/40 Modifications of instruments to indicate the maximum or the minimum value reached in a time interval, e.g. by maximum indicator pointer
- G01R 1/44 Modifications of instruments for temperature compensation
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