Inventor · disambiguated record
David Lyall Mitchell
Also filed as: MITCHELL DAVID · MITCHELL DAVID L · MITCHELL DAVID LYALL
7 granted patents·338 citations·filing 1974–2023
84Inventor score
Files withHALLIBURTON ENERGY SERVICES INC2HUGHES AIRCRAFT CO1MITCHELL DAVID1MITCHELL DAVID L1TEXACO EXPLORATION CA LTD1
Top patents by PatentIndex Score
7 records- 0193US4972314AData flow signal processor method and apparatusHUGHES AIRCRAFT CO·Filed 1988·Granted Nov 20, 1990·268 cites·15 claims
- 0291US3938590AMethod for recovering viscous asphaltic or bituminous petroleumTEXACO EXPLORATION CA LTD·Filed 1974·Granted Feb 17, 1976·40 cites·11 claims
- 0379USD351632SPractice dummy for sportsMITCHELL DAVID L·Filed 1993·Granted Oct 18, 1994·26 cites·1 claims
- 0471US12305484B2Pre-positioning a meltable seal for plug and abandonmentHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted May 20, 2025·0 cites·20 claims
- 0562US12392423B2Downhole valve with rotational position sensorHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Aug 19, 2025·0 cites·19 claims
- 0635USD346824SChaotic motion pendulumMITCHELL DAVID·Filed 1992·Granted May 10, 1994·2 cites·1 claims
- 0722US5115710ALoad-reducing rocket nozzle operation methodUS NAVY·Filed 1991·Granted May 26, 1992·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →