HL

Hans Leutwiler

GF Georg Fischer: 5 patents #10 of 149Top 7%
GA Georg Fischer Giessereianlagen Ag: 2 patents #2 of 11Top 20%
GA Georg Fischer Disa A/S: 1 patents #14 of 26Top 55%
📍 Schaffhausen, CH: #31 of 294 inventorsTop 15%
Overall (All Time): #665,891 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6283831 Method for desanding castings Kurt F. Fischer 2001-09-04
5601777 Process for compressing granular material in a molding box Kurt F. Fischer 1997-02-11
5476136 Device for compacting granular molding material Kurt F. Fischer 1995-12-19
5348070 Process for the compression of molding sand for casting molds Kurt F. Fischer 1994-09-20
5280821 Molding apparatus including vents comprising elongated slotted bars Kurt F. Fischer 1994-01-25
5161596 Method for compressing granular molding materials Kurt F. Fischer 1992-11-10
4921035 Process for compacting powdery materials 1990-05-01
4828007 Process for selectively compressing granular material in a molding box Kurt F. Fischer 1989-05-09