CPC Subgroup Additional Only
G01V 2210/20 Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out
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
7 direct subcodes
Child Classifications
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- G01V 2210/21 Frequency-domain filtering, e.g. band pass
- G01V 2210/22 Time-domain filtering
- G01V 2210/23 Wavelet filtering
- G01V 2210/24 Multi-trace filtering
- G01V 2210/25 Transform filter for merging or comparing traces from different surveys
- G01V 2210/26 Modulation or demodulation, e.g. for continuous sources
- G01V 2210/27 Other pre-filtering
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