Inventor · disambiguated record
Duanwei He
Also filed as: HE DUANWEI
5 granted patents·5 pending applications·26 citations·filing 2002–2024
73Inventor score
Top patents by PatentIndex Score
10 records- 0182US2024326126A1Producing Catalyst-free PDC CuttersSAUDI ARABIAN OIL CO·Filed 2024·Application pending·0 cites
- 0281US7938997B2Preparation of bulk superhard B-C-N nanocomposite compactLOS ALAMOS NAT SECURITY LLC·Filed 2006·Granted May 10, 2011·8 cites·14 claims
- 0381US2024308920A1Fabrication of downhole drilling toolsSAUDI ARABIAN OIL CO·Filed 2024·Application pending·0 cites
- 0477US12042868B2Producing catalyst-free PDC cuttersSAUDI ARABIAN OIL CO·Filed 2021·Granted Jul 23, 2024·0 cites·21 claims
- 0573US6759128B1Bulk superhard B-C-N nanocomposite compact and method for preparing thereofUNIV CALIFORNIA·Filed 2002·Granted Jul 6, 2004·18 cites·7 claims
- 0672US12024470B2Fabrication of downhole drilling toolsSAUDI ARABIAN OIL CO·Filed 2021·Granted Jul 2, 2024·0 cites·10 claims
- 0760US11866372B2Bn) drilling tools made of wurtzite boron nitride (W-BN)SAUDI ARABIAN OIL CO·Filed 2021·Granted Jan 9, 2024·0 cites·7 claims
- 0858US2023211414A1Producing polycrystalline diamond compact (pdc) drill bits with catalyst-free and substrate-free pdc cuttersSAUDI ARABIAN OIL CO·Filed 2022·Application pending·0 cites
- 0948US2023212914A1Producing Drill Bits Using Catalyst-free PDC CuttersSAUDI ARABIAN OIL CO·Filed 2023·Application pending·0 cites
- 1042US2004194575A1Bulk superhard B-C-N nanocomposite compact and method for preparing thereofFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →