Inventor · disambiguated record
John R. Ewing
Also filed as: EWING JOHN R
3 granted patents·102 citations·filing 1982–1985
73Inventor score
Top patents by PatentIndex Score
3 records- 0191US4504019AHammer mill having capped disc rotorNEWELL MFG CO·Filed 1982·Granted Mar 12, 1985·53 cites·17 claims
- 0288US4650129ACapped disc for hammer mill rotorNEWELL IND·Filed 1984·Granted Mar 17, 1987·45 cites·12 claims
- 0326US4619029AMethod of retrofitting a hammer mill rotorNEWELL IND·Filed 1985·Granted Oct 28, 1986·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →