by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R21/02 takes precedence)

Full Title

Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) > by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R21/02 takes precedence)

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

G01R 21/12 in circuits having distributed constants

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