Inventor · disambiguated record
Janos Szepvolgyi
Also filed as: SZEPVOELGYI JANOS · SZEPVOLGYI JANOS
7 granted patents·41 citations·filing 1973–1989
83Inventor score
Top patents by PatentIndex Score
7 records- 0157US3956454AProcess for producing aluminum trichlorideTOTH ALUMINUM CORP·Filed 1973·Granted May 11, 1976·9 cites·6 claims
- 0253US3937786AProduction of aluminum chloride from raw materials containing coalTOTH ALUMINUM CORP·Filed 1974·Granted Feb 10, 1976·7 cites·5 claims
- 0349US4988238AMethod for improving the strength and impermeability of soils and engineering structuresALTALANOS IPARFEJLESZTESI RT·Filed 1989·Granted Jan 29, 1991·12 cites·3 claims
- 0444US4368333AMethod for the chemical utilization of coal by liquid phase oxidationTATABANYAI SZENBANYAK·Filed 1981·Granted Jan 11, 1983·3 cites·5 claims
- 0539US3950485AProduction of aluminum chloride from raw materials containing coalTOTH ALUMINUM CORP·Filed 1975·Granted Apr 13, 1976·3 cites·5 claims
- 0637US4416862AProcess for the preparation of aluminium trichloride and silicon dioxide by chlorination of alumina with silicon tetrachlorideTATABANYAI SZENBANYAK·Filed 1982·Granted Nov 22, 1983·4 cites·6 claims
- 0731US4425219AMethod for the production of liquid carbon compounds from coalTATABANYAI SZENBANYAK·Filed 1981·Granted Jan 10, 1984·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →