CPC Main Group
G01R 13/00 Arrangements for displaying electric variables or waveforms
Filing statistics
CPC G01R 13/00 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
7 direct subcodes
Child Classifications
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- G01R 13/02 for displaying measured electric variables in digital form
- G01R 13/04 for producing permanent records
- G01R 13/20 Cathode-ray oscilloscopes
- G01R 13/36 using length of glow discharge, e.g. glowlight oscilloscopes
- G01R 13/38 using the steady or oscillatory displacement of a light beam by an electromechanical measuring system
- G01R 13/40 using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
- G01R 13/42 Instruments using length of spark discharge, e.g. by measuring maximum separation of electrodes to produce spark
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