Inventor · disambiguated record
Dazhen Tang
Also filed as: TANG DAZHEN
3 granted patents·0 citations·filing 2019–2020
37Inventor score
Files withUNIV CHINA GEOSCIENCES BEIJING3
Top patents by PatentIndex Score
3 records- 0144US11497361B2Adjustable gas detection device for coal bedUNIV CHINA GEOSCIENCES BEIJING·Filed 2019·Granted Nov 15, 2022·0 cites·9 claims
- 0235US11242736B2Fracturing device for extraction of coalbed methane in low permeability reservoirUNIV CHINA GEOSCIENCES BEIJING·Filed 2020·Granted Feb 8, 2022·0 cites·9 claims
- 0333US11203925B2Drilling device at extracting opening for extraction of coalbed methaneUNIV CHINA GEOSCIENCES BEIJING·Filed 2020·Granted Dec 21, 2021·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →