Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RI

Rupert Igmann — 1 Patent

VOVoest-Alpine: 1 patents #153 of 348Top 45%
Lichtenberg, AT: #5 of 6 inventorsTop 85%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Rupert Igmann has been granted 1 US patent while listed as an inventor at Voest-Alpine. All of these patents were granted in 1990. Rupert Igmann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Rupert Igmann in Lichtenberg, AT.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D306898 Hand-wheel for a valve Gunter Funk, Werner Lego, Werner Seir 1990-03-27