Inventor · disambiguated record
Hu D. Devall
Also filed as: DEVALL HU D
3 granted patents·70 citations·filing 1981–1983
73Inventor score
Top patents by PatentIndex Score
3 records- 0174US4506501AApparatus for repairing chainsDEVALL DONALD L·Filed 1983·Granted Mar 26, 1985·33 cites·12 claims
- 0260US4478248ARotary valveDEVALL DONALD L·Filed 1983·Granted Oct 23, 1984·18 cites·12 claims
- 0346US4416337ADrill head assemblyPHILLIPS ALBERT·Filed 1981·Granted Nov 22, 1983·19 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →