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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gerd Erhardt — 1 Patent

Basf Se: 1 patents #8,065 of 13,826Top 60%
Kehl, DE: #42 of 83 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Gerd Erhardt has been granted 1 US patent while listed as an inventor at Basf Se. All of these patents were granted in 1992. Gerd Erhardt ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Gerd Erhardt in Kehl, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5082689 Production of magnetic recording media Ludwig Kreitner, Werner Grau, August Lehner, Hans Reichert, Friedrich Sommermann +1 more 1992-01-21