Inventor · disambiguated record
Ben Guan
Also filed as: GUAN BEN
3 granted patents·4 citations·filing 2012–2020
52Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0176US10233695B2Weight-on-bit self-adjusting drill bitUNIV CHINA PETROLEUM EAST CHINA·Filed 2017·Granted Mar 19, 2019·4 cites·16 claims
- 0237US10815743B2Depressuriz od for downhole annulus drilling fluidUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Oct 27, 2020·0 cites·15 claims
- 0326US9540881B2Method and system for improving drilling speed by using drill speed vibrationGUAN ZHICHUAN·Filed 2012·Granted Jan 10, 2017·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →