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

Gerd Siebert — 1 Patent

MAMetallgesellschaft Ag: 1 patents #308 of 715Top 45%
Frankfurt am Main, DE: #1,142 of 1,925 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Gerd Siebert has been granted 1 US patent while listed as an inventor at Metallgesellschaft Ag. All of these patents were granted in 1982. Gerd Siebert ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Gerd Siebert in Frankfurt am Main, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4331449 Process of producing town gas from methanol Heinz Jockel, Friedrich-Wilhelm Moller, Hans J. Renner 1982-05-25