Inventor · disambiguated record
Irving B. Ruppel
Also filed as: RUPPEL IRVING B · RUPPEL JR IRVING B
6 granted patents·135 citations·filing 1989–1997
86Inventor score
Files withCARBORUNDUM CO6
Top patents by PatentIndex Score
6 records- 0181US5227105AProcess for manufacturing ceramic tubesCARBORUNDUM CO·Filed 1990·Granted Jul 13, 1993·39 cites·34 claims
- 0273US5741403ACeramic substrates and magnetic data storage components prepared therefromCARBORUNDUM CO·Filed 1996·Granted Apr 21, 1998·20 cites·10 claims
- 0370US5441799APorous silicon carbideCARBORUNDUM CO·Filed 1994·Granted Aug 15, 1995·30 cites·10 claims
- 0468US5616426ACeramic substrate with silicon carbide smoothing layerCARBORUNDUM CO·Filed 1995·Granted Apr 1, 1997·16 cites·7 claims
- 0553US5944963AMethod of coating a substrate with a SiCx filmCARBORUNDUM CO·Filed 1997·Granted Aug 31, 1999·22 cites·5 claims
- 0640US5057001AApparatus for making ceramic tubesCARBORUNDUM CO·Filed 1989·Granted Oct 15, 1991·8 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →