Inventor · disambiguated record
Douglas R. Barker
Also filed as: BARKER DOUGLAS R
3 granted patents·55 citations·filing 1985–1994
73Inventor score
Top patents by PatentIndex Score
3 records- 0179US5447580ARapid heat treatment of nonferrous metals and alloys to obtain graded microstructuresUS ARMY·Filed 1994·Granted Sep 5, 1995·23 cites·5 claims
- 0259US4617817AOptimizing hot workability and controlling microstructures in difficult to process high strength and high temperature materialsUS AIR FORCE·Filed 1985·Granted Oct 21, 1986·14 cites·40 claims
- 0353US4762679ABillet conditioning technique for manufacturing powder metallurgy preformsUS AIR FORCE·Filed 1987·Granted Aug 9, 1988·18 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →