Inventor · disambiguated record
Franz Wirsching
Also filed as: WIRSCHING FRANZ
5 granted patents·224 citations·filing 1973–1991
81Inventor score
Top patents by PatentIndex Score
5 records- 0194US3993822AMulti-layer plasterboardKNAUF WESTDEUTSCHE GIPS·Filed 1973·Granted Nov 23, 1976·191 cites·2 claims
- 0258US4173610AProcess for the manufacture of lump calcium sulfateKNAUF WESTDEUTSCHE GIPS·Filed 1977·Granted Nov 6, 1979·16 cites·4 claims
- 0346US5169444AProcess for preparing calcium sulfate anhydriteKNAUF WESTDEUTSCHE GIPS·Filed 1991·Granted Dec 8, 1992·12 cites·22 claims
- 0423US4039616AProcess for the manufacture of stabilized, hardenable calcium sulphate by reacting crude phosphate with sulphuric acidKNAUF WESTDEUTSCHE GIPS·Filed 1975·Granted Aug 2, 1977·1 cites·10 claims
- 0518US4423016AProcess for the production of dry flue gas gypsumWIRSCHING FRANZ·Filed 1982·Granted Dec 27, 1983·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →