Inventor · disambiguated record
Malcolm E. Washburn
Also filed as: WASHBURN MALCOLM E
10 granted patents·346 citations·filing 1975–1991
91Inventor score
Files withNORTON CO10
Top patents by PatentIndex Score
10 records- 0196US5045237ARefractory electrical deviceNORTON CO·Filed 1988·Granted Sep 3, 1991·112 cites·10 claims
- 0294US5085804ARefractory electrical deviceNORTON CO·Filed 1991·Granted Feb 4, 1992·147 cites·11 claims
- 0376US4069058APorous silicon oxynitride refractory shapesNORTON CO·Filed 1976·Granted Jan 17, 1978·16 cites·9 claims
- 0469US4476234ARefractory cementNORTON CO·Filed 1983·Granted Oct 9, 1984·16 cites·17 claims
- 0559US4127630AReaction bonded silicon nitrideNORTON CO·Filed 1975·Granted Nov 28, 1978·15 cites·7 claims
- 0647US4937211AHigh strength nitride bonded silicon carbide refractoriesNORTON CO·Filed 1987·Granted Jun 26, 1990·9 cites·1 claims
- 0745US4935118ASelf heated sensor packageNORTON CO·Filed 1986·Granted Jun 19, 1990·10 cites·4 claims
- 0843US4331771AHigh density silicon oxynitrideNORTON CO·Filed 1980·Granted May 25, 1982·8 cites·8 claims
- 0942US4483932ARefractory bodies for corrosive environmentsNORTON CO·Filed 1983·Granted Nov 20, 1984·6 cites·20 claims
- 1041US4043823ALightweight silicon oxynitrideNORTON CO·Filed 1975·Granted Aug 23, 1977·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →