Inventor · disambiguated record
David Alexander
Also filed as: ALEXANDER DAVID · ALEXANDER DAVID JOHN
6 granted patents·5 pending applications·50 citations·filing 1974–2023
75Inventor score
Files withALEXANDER DAVID6BAKER HUGHES OILFIELD OPERATIONS LLC2LEVER BROTHERS LTD2HUSKEY MERRIE MICHELLE1
Top patents by PatentIndex Score
11 records- 0176US3964649APressurized dispensing containerLEVER BROTHERS LTD·Filed 1975·Granted Jun 22, 1976·44 cites·5 claims
- 0268US11959345B2Separable tool with mill face, method and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Granted Apr 16, 2024·0 cites·8 claims
- 0355US11753891B2Casing mill, method, and systemALEXANDER DAVID·Filed 2021·Granted Sep 12, 2023·0 cites·10 claims
- 0454US2022364425A1Separable tool with mill face, method and systemALEXANDER DAVID·Filed 2021·Application pending·0 cites
- 0546US11879307B2Object carrier, tool, method, and systemALEXANDER DAVID·Filed 2022·Granted Jan 23, 2024·0 cites·18 claims
- 0644US2023349254A1Section milling tool, methods and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 0742US11512551B2Extrudable ball for multiple activationsALEXANDER DAVID·Filed 2020·Granted Nov 29, 2022·0 cites·3 claims
- 0842US2024044220A1Method for pulling casingALEXANDER DAVID·Filed 2022·Application pending·0 cites
- 0939US2023109781A1Casing mill, method, and systemALEXANDER DAVID·Filed 2021·Application pending·0 cites
- 1038US2021002983A1Chemically treated substrate strips in screens for open hole gravel packing and stand alone screensHUSKEY MERRIE MICHELLE·Filed 2019·Application pending·0 cites
- 1132US4023710APressure pack valve for dispensing particulate materialsLEVER BROTHERS LTD·Filed 1974·Granted May 17, 1977·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →