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USPTO Patent Rankings Data through Dec 31, 2025
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Werner Steigleiter — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Schifferstadt, DE: #198 of 580 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Werner Steigleiter has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 1983 and the most recent in October 1992. Werner Steigleiter ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Werner Steigleiter in Schifferstadt, DE.

Patents per Year

Patents granted per year, 1983 to 1992Bar chart with a peak of 2 patents in 1992.peak 21983: 1 patents19831990: 1 patents19901992: 2 patents1992

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5155081 Platinum-on-graphite catalysts Wolfgang Hoelderich, Franz-Josef Weiss, Hugo Fuchs, Luc Guns, Gerald Neubauer +1 more 1992-10-13
5120699 Platinum-on-graphite catalysts and the use thereof Franz-Josef Weiss, Hugo Fuchs, Wolfgang Hoelderich, Luc Guns, Gerald Neubauer +1 more 1992-06-09
4895711 Preparation of hydroxylammonium salts Werner Biffar, Franz-Josef Weiss 1990-01-23
4392984 Olefin oligomerization catalysts and a process for their preparation Heinz Engelbach, Helmut Glietenberg 1983-07-12