Inventor · disambiguated record
Eric F. Drake
Also filed as: DRAKE ERIC F
16 granted patents·2 pending applications·1,038 citations·filing 1980–2014
96Inventor score
Top patents by PatentIndex Score
18 records- 0197US4398952AMethods of manufacturing gradient composite metallic structuresREED ROCK BIT CO·Filed 1980·Granted Aug 16, 1983·205 cites·18 claims
- 0296US6517902B2Methods of treating preform elementsCAMCO INT UK LTD·Filed 2001·Granted Feb 11, 2003·180 cites·10 claims
- 0395US4372404ACutting teeth for rolling cutter drill bitREED ROCK BIT CO·Filed 1980·Granted Feb 8, 1983·76 cites·18 claims
- 0494US5161898AAluminide coated bearing elements for roller cutter drill bitsCAMCO INT·Filed 1991·Granted Nov 10, 1992·121 cites·6 claims
- 0593US5988302AHardmetal facing for earth boring drill bitCAMCO INT·Filed 1997·Granted Nov 23, 1999·55 cites·49 claims
- 0689US4368788AMetal cutting tools utilizing gradient compositesREED ROCK BIT CO·Filed 1980·Granted Jan 18, 1983·81 cites·21 claims
- 0787US5967248ARock bit hardmetal overlay and process of manufactureCAMCO INT·Filed 1997·Granted Oct 19, 1999·69 cites·27 claims
- 0885US8945720B2Hard composite with deformable constituent and method of applying to earth-engaging toolSRESHTA HAROLD·Filed 2009·Granted Feb 3, 2015·12 cites·22 claims
- 0984US4969378ACase hardened roller cutter for a rotary drill bit and method of makingREED TOOL CO·Filed 1989·Granted Nov 13, 1990·42 cites·9 claims
- 1082US6045750ARock bit hardmetal overlay and proces of manufactureCAMCO INT·Filed 1999·Granted Apr 4, 2000·79 cites·20 claims
- 1181US5653299AHardmetal facing for rolling cutter drill bitCAMCO INT·Filed 1995·Granted Aug 5, 1997·38 cites·9 claims
- 1272US6361739B1Fabrication process for high density powder composite hardfacing rodSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Mar 26, 2002·13 cites·37 claims
- 1372US4887493ARoller cutter drill bit and method of formingREED TOOL CO·Filed 1988·Granted Dec 19, 1989·26 cites·22 claims
- 1470US6440358B1Fabrication process for powder composite rodSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Aug 27, 2002·13 cites·10 claims
- 1564US2015107908A1Hard composite with deformable constituent and method of applying to earth-engaging toolNAT OILWELL VARCO LP·Filed 2014·Application pending·0 cites
- 1662US4595067ARotary drill bit, parts therefor, and method of manufacturing thereofREED TOOL CO·Filed 1984·Granted Jun 17, 1986·27 cites·10 claims
- 1740US8083011B2Matrix turbine sleeve and method for making sameSRESHTA HAROLD A·Filed 2008·Granted Dec 27, 2011·1 cites·24 claims
- 1840US2006237236A1Composite structure having a non-planar interface and method of making sameSRESHTA HAROLD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →