Inventor · disambiguated record
Ian Graham Janke
Also filed as: JANKE IAN GRAHAM
7 granted patents·8 pending applications·2 citations·filing 2021–2025
73Inventor score
Files withDEFIANT ENG LLC15
Top patents by PatentIndex Score
15 records- 0186US12006808B2Penetrator and dispensers and methods of useDEFIANT ENG LLC·Filed 2023·Granted Jun 11, 2024·2 cites·3 claims
- 0273US12110770B2Single or multi-fire semi-automatic perforation system and methods of useDEFIANT ENG LLC·Filed 2023·Granted Oct 8, 2024·0 cites·32 claims
- 0372US12366151B2Penetrator and dispensers and methods of useDEFIANT ENG LLC·Filed 2024·Granted Jul 22, 2025·0 cites·33 claims
- 0469US12474147B2Grounding sabot and methods of useDEFIANT ENG LLC·Filed 2025·Granted Nov 18, 2025·0 cites·14 claims
- 0568US12503929B2Isolation system with integrated slip and extrusion prevention mechanisms and methods of useDEFIANT ENG LLC·Filed 2023·Granted Dec 23, 2025·0 cites·20 claims
- 0666US2024061124A1LiDAR TOOL FOR OIL AND GAS WELLBORE DATA ACQUISITIONDEFIANT ENG LLC·Filed 2023·Application pending·0 cites
- 0765US11846164B2Single or multi-fire semi-automatic perforation system and methods of useDEFIANT ENG LLC·Filed 2023·Granted Dec 19, 2023·0 cites·23 claims
- 0860US12460517B2Interlocking perforation gun and methods of useDEFIANT ENG LLC·Filed 2024·Granted Nov 4, 2025·0 cites·16 claims
- 0957US2023111367A1Downhole intervention and completion drone and methods of useDEFIANT ENG LLC·Filed 2022·Application pending·0 cites
- 1053US2023041700A1LiDAR TOOL FOR OIL AND GAS WELLBORE DATA ACQUISITIONDEFIANT ENG LLC·Filed 2022·Application pending·0 cites
- 1152US2022081982A1Downhole intervention and completion drone and methods of useDEFIANT ENG LLC·Filed 2021·Application pending·0 cites
- 1250US2025146389A1Charge dispenserDEFIANT ENG LLC·Filed 2024·Application pending·0 cites
- 1348US2024384630A1Overmolded shaped charge and methods of useDEFIANT ENG LLC·Filed 2024·Application pending·0 cites
- 1447US2025264007A1Kinetic energy perforating round assembly and methods of useDEFIANT ENG LLC·Filed 2025·Application pending·0 cites
- 1547US2025264008A1Kinetic energy perforating round and methods of useDEFIANT ENG LLC·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →