Measuring gravitational fields or waves; Gravimetric prospecting or detecting

Filing statistics

CPC G01V 7/00 belongs to the parent subclass G01V, which recorded 92,801 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,945 in 2013 to 8,224 in 2023 (+18%), peaking at 10,237 applications in 2020. 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

6 direct subcodes

Child Classifications

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G01V 7/005
G01V 7/02 Details
G01V 7/08 using balances
G01V 7/12 using pendulums
G01V 7/14 using free-fall time
G01V 7/16 specially adapted for use on moving platforms, e.g. ship, aircraft

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