Inventor · disambiguated record
Ronald W. Keen
Also filed as: KEEN RONALD W
4 granted patents·49 citations·filing 1978–1997
75Inventor score
Top patents by PatentIndex Score
4 records- 0166US4281879AStabilizing assembly for a mining machineNAT MINE SERVICE CO·Filed 1979·Granted Aug 4, 1981·12 cites·6 claims
- 0260US5507565AMethod and apparatus for suppressing dust and frictional ignition on a continuous mining machineEIMCO COAL MACHINERY INC·Filed 1994·Granted Apr 16, 1996·30 cites·20 claims
- 0333US4165803AMaterial gathering deviceNAT MINE SERVICE·Filed 1978·Granted Aug 28, 1979·4 cites·10 claims
- 0419US6036276AConveyor lift and service shoe assembly and method of movingEIMCO LLC·Filed 1997·Granted Mar 14, 2000·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →