Inventor · disambiguated record
Frederick W. Kruppert
Also filed as: KRUPPERT FREDERICK W · KRUPPERT FREDERICK WILLIAM
4 granted patents·49 citations·filing 1974–1984
77Inventor score
Technology areasC21D
Top patents by PatentIndex Score
4 records- 0170US3997375ASteel hardening methodALGOMA STEEL CORP LTD·Filed 1974·Granted Dec 14, 1976·17 cites·4 claims
- 0267US4504042AApparatus for heat treating steelKRUPPERT ENTERPRISES INC·Filed 1983·Granted Mar 12, 1985·14 cites·10 claims
- 0353US4575054AApparatus for quenching steel pipesKRUPPERT ENTERPRISES INC·Filed 1984·Granted Mar 11, 1986·9 cites·9 claims
- 0453US4490187AMethod for heat treating steelKRUPPERT ENTERPRISES INC·Filed 1983·Granted Dec 25, 1984·9 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →