Inventor · disambiguated record
Guanfu Tu
Also filed as: TU GUANFU
4 granted patents·1 pending application·9 citations·filing 2018–2023
64Inventor score
Technology areasE21B
Files withKINGDREAM PLC5
Top patents by PatentIndex Score
5 records- 0187US11391095B2Polycrystalline diamond compact and drilling bitKINGDREAM PLC·Filed 2018·Granted Jul 19, 2022·7 cites·15 claims
- 0266US11725459B2Multiple ridge diamond compact for drill bit and drill bitKINGDREAM PLC·Filed 2019·Granted Aug 15, 2023·1 cites·17 claims
- 0360US11326402B2Hybrid bit with roller cones having insertsKINGDREAM PLC·Filed 2018·Granted May 10, 2022·1 cites·12 claims
- 0458US12435576B2Multi-cutting-edge diamond composites and earth-boring toolsKINGDREAM PLC·Filed 2023·Granted Oct 7, 2025·0 cites·13 claims
- 0530US2020362638A1A hybrid bit with roller cone having insertsKINGDREAM PLC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →