Inventor · disambiguated record
John A. Macdonald
Also filed as: MACDONALD JOHN · MACDONALD JOHN A · MACDONALD JOHN ALEXANDER
7 granted patents·83 citations·filing 1983–2011
85Inventor score
Top patents by PatentIndex Score
7 records- 0178US7918994B2System that removes contaminants from sulfurBRIMROCK INTERNAT INC·Filed 2008·Granted Apr 5, 2011·5 cites·20 claims
- 0269US5229727AHermetically sealed microstrip to microstrip transition for printed circuit fabricationGEN ELECTRIC·Filed 1992·Granted Jul 20, 1993·25 cites·11 claims
- 0358US7347671B2Turbine blade turbulator cooling designDORLING KEVIN·Filed 2003·Granted Mar 25, 2008·24 cites·50 claims
- 0455USD288821SGear housingRAILTECH LTD·Filed 1984·Granted Mar 17, 1987·6 cites·1 claims
- 0552US8425783B2System and method that removes contaminants from sulfurLANG LESLIE L·Filed 2011·Granted Apr 23, 2013·0 cites·16 claims
- 0652US4438595APlug door assemblyRAILTECH LTD·Filed 1983·Granted Mar 27, 1984·17 cites·4 claims
- 0730US5566938AArtificial curling rinkRAILTECH LTD·Filed 1995·Granted Oct 22, 1996·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →