Inventor · disambiguated record
Weifeng Du
Also filed as: DU WEIFENG
18 granted patents·4 pending applications·75 citations·filing 2019–2024
93Inventor score
Files withSF DIAMOND CO LTD22
Top patents by PatentIndex Score
22 records- 0190US11873684B2Polycrystalline diamond compactSF DIAMOND CO LTD·Filed 2021·Granted Jan 16, 2024·5 cites·16 claims
- 0288US11377910B2Polycrystalline diamond compactSF DIAMOND CO LTD·Filed 2019·Granted Jul 5, 2022·9 cites·10 claims
- 0386USD982631SDrill bitSF DIAMOND CO LTD·Filed 2021·Granted Apr 4, 2023·10 cites·1 claims
- 0483USD989827SDrill bitSF DIAMOND CO LTD·Filed 2021·Granted Jun 20, 2023·8 cites·1 claims
- 0583USD989826SDrill bitSF DIAMOND CO LTD·Filed 2021·Granted Jun 20, 2023·8 cites·1 claims
- 0681USD982632SDrill bitSF DIAMOND CO LTD·Filed 2021·Granted Apr 4, 2023·7 cites·1 claims
- 0781USD982046SDrill bitSF DIAMOND CO LTD·Filed 2021·Granted Mar 28, 2023·7 cites·1 claims
- 0880USD997219SPolycrystalline diamond compact with a double-layer structureSF DIAMOND CO LTD·Filed 2021·Granted Aug 29, 2023·7 cites·1 claims
- 0979US2025109025A1Polycrystalline Diamond Compact Table with Polycrystalline Diamond Extensions TherefromSF DIAMOND CO LTD·Filed 2024·Application pending·0 cites
- 1078US2025051170A1Polycrystalline Diamond Compact Table with Polycrystalline Diamond Extensions TherefromSF DIAMOND CO LTD·Filed 2024·Application pending·0 cites
- 1175US12168608B2Polycrystalline diamond compact table with polycrystalline diamond extensions therefromSF DIAMOND CO LTD·Filed 2023·Granted Dec 17, 2024·0 cites·23 claims
- 1275US12103853B2Polycrystalline diamond compact table with polycrystalline diamond extensions therefromSF DIAMOND CO LTD·Filed 2023·Granted Oct 1, 2024·0 cites·26 claims
- 1373US11772977B2Polycrystalline diamond compact table with polycrystalline diamond extensions therefromSF DIAMOND CO LTD·Filed 2019·Granted Oct 3, 2023·0 cites·18 claims
- 1470USD1006073SPolycrystalline diamond compact with a raised surface sloping to a peripheral extensionSF DIAMOND CO LTD·Filed 2021·Granted Nov 28, 2023·4 cites·1 claims
- 1570USD1006074SPolycrystalline diamond compact with a raised triangular structureSF DIAMOND CO LTD·Filed 2021·Granted Nov 28, 2023·4 cites·1 claims
- 1669USD1026981SPolycrystalline diamond compact with a tripartite raised surfaceSF DIAMOND CO LTD·Filed 2021·Granted May 14, 2024·3 cites·1 claims
- 1768USD1026980SPolycrystalline diamond compact with a raised surface and groove thereinSF DIAMOND CO LTD·Filed 2021·Granted May 14, 2024·3 cites·1 claims
- 1850US2019368276A1Polycrystalline diamond compactSF DIAMOND CO LTD·Filed 2019·Application pending·0 cites
- 1948USD1057779SPolycrystalline diamond compact with a raised surface and groove thereinSF DIAMOND CO LTD·Filed 2024·Granted Jan 14, 2025·0 cites·1 claims
- 2048USD1057780SPolycrystalline diamond compact with a tripartite raised surfaceSF DIAMOND CO LTD·Filed 2024·Granted Jan 14, 2025·0 cites·1 claims
- 2139US2019203539A1Polycrystalline diamond compactSF DIAMOND CO LTD·Filed 2019·Application pending·0 cites
- 2230USD1068884SPolycrystalline diamond compact with a raised parallelogram surface and a groove formed thereinSF DIAMOND CO LTD·Filed 2021·Granted Apr 1, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →