CPC Subgroup Additional Only
G01V 2210/242 F-k filtering, e.g. ground roll
Full Title
Details of seismic processing or analysis > Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out > Multi-trace filtering > F-k filtering, e.g. ground roll
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