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USPTO Patent Rankings Data through Dec 31, 2025
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Volker Portscher — 2 Patents

NUNukem: 2 patents #23 of 113Top 25%
Haibach, DE: #13 of 37 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Volker Portscher has been granted 2 US patents while listed as an inventor at Nukem. The first was granted in 1986 and the most recent in November 1988. Volker Portscher ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Volker Portscher in Haibach, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4784823 Corrosion protection Werner Holtmann, Hartmut Kroll, Gunther Luthardt 1988-11-15
4602968 Manganese oxide coated nickel base construction parts for medium containing gaseous hydrogen isotope Walter Bergmann, Horst Ebinger, Gunther Luthardt 1986-07-29