Inventor · disambiguated record
Hans Leutwiler
Also filed as: LEUTWILER HANS
8 granted patents·55 citations·filing 1987–1999
85Inventor score
Top patents by PatentIndex Score
8 records- 0169US4828007AProcess for selectively compressing granular material in a molding boxFISCHER AG GEORG·Filed 1988·Granted May 9, 1989·12 cites·16 claims
- 0254US5348070AProcess for the compression of molding sand for casting moldsFISCHER AG GEORG·Filed 1993·Granted Sep 20, 1994·16 cites·5 claims
- 0342US5601777AProcess for compressing granular material in a molding boxFISCHER GEORG GIESSEREIANLAGEN·Filed 1994·Granted Feb 11, 1997·9 cites·5 claims
- 0442US5476136ADevice for compacting granular molding materialFISCHER GEORG GIESSEREIANLAGEN·Filed 1994·Granted Dec 19, 1995·9 cites·5 claims
- 0536US4921035AProcess for compacting powdery materialsFISCHER AG GEORG·Filed 1987·Granted May 1, 1990·3 cites·7 claims
- 0631US5280821AMolding apparatus including vents comprising elongated slotted barsFISCHER AG GEORG·Filed 1992·Granted Jan 25, 1994·3 cites·19 claims
- 0731US5161596AMethod for compressing granular molding materialsFISCHER AG GEORG·Filed 1991·Granted Nov 10, 1992·3 cites·9 claims
- 0828US6283831B1Method for desanding castingsGEORG FISCHER DISA AG·Filed 1999·Granted Sep 4, 2001·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →