Inventor · disambiguated record
Donald L. Carr
Also filed as: CARR DONALD L
3 granted patents·411 citations·filing 1979–1983
79Inventor score
Top patents by PatentIndex Score
3 records- 0191US4444255AApparatus and process for the recovery of oilGEOFFREY LLOYD·Filed 1981·Granted Apr 24, 1984·296 cites·22 claims
- 0286US4458634AInternal combustion engine with hydrogen producing device having water and oil interface level controlCARR EDWIN R·Filed 1983·Granted Jul 10, 1984·72 cites·29 claims
- 0385US4233132AMethod and apparatus for producing hydrogenCARR RANDALL·Filed 1979·Granted Nov 11, 1980·43 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →