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USPTO Patent Rankings Data through Dec 31, 2025
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Michael Schweizer — 2 Patents

VOVoest-Alpine: 1 patents #153 of 348Top 45%
Trofaiach, AT: #15 of 39 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Michael Schweizer has been granted 2 US patents while listed as an inventor at Voest-Alpine. The first was granted in 1988 and the most recent in October 2002. Michael Schweizer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michael Schweizer in Trofaiach, AT.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6458866 Polyurethane elastomers, method of producing them and their use Wilhelm Oppermann, Frank Hermanutz, Peter Hirt, Oliver Oess 2002-10-01 $49,000
4741837 Process for drying brown coal of high water content Jaroslav Fohl, Gero Tessmer 1988-05-03