Inventor · disambiguated record
Donald L. Devall
Also filed as: DEVALL DONALD L
9 granted patents·244 citations·filing 1981–2007
90Inventor score
Top patents by PatentIndex Score
9 records- 0195US7273431B2Impact measuring game ballDEVALL DONALD L·Filed 2006·Granted Sep 25, 2007·118 cites·20 claims
- 0283US7513319B2Reamer bitDEVALL DONALD L·Filed 2007·Granted Apr 7, 2009·15 cites·20 claims
- 0374US4506501AApparatus for repairing chainsDEVALL DONALD L·Filed 1983·Granted Mar 26, 1985·33 cites·12 claims
- 0466US7520341B1Drill head assemblyDEVALL DONALD L·Filed 2007·Granted Apr 21, 2009·10 cites·23 claims
- 0560US4478248ARotary valveDEVALL DONALD L·Filed 1983·Granted Oct 23, 1984·18 cites·12 claims
- 0656US7228922B1Drill bitDEVALL DONALD L·Filed 2004·Granted Jun 12, 2007·19 cites·25 claims
- 0746US4416337ADrill head assemblyPHILLIPS ALBERT·Filed 1981·Granted Nov 22, 1983·19 cites·5 claims
- 0845US6695071B1Drill head assemblyFiled 2002·Granted Feb 24, 2004·9 cites·20 claims
- 0932US5195598ADrill head assemblyDEVALL DONALD L·Filed 1991·Granted Mar 23, 1993·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →