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

Leo Ehemann — 2 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
Bad Dürkheim, DE: #144 of 277 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Leo Ehemann has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 1989 and the most recent in November 1991. Leo Ehemann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Leo Ehemann in Bad Dürkheim, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5064908 Oxidized polyethylene and use as lubricant for polyvinylchloride Ludwig Schuster, Albert Hettche, Werner Liedy, Stefan Weiss 1991-11-12
4889897 Oxidation of polyethylene Ludwig Schuster, Albert Hettche, Werner Liedy, Stefan Weiss 1989-12-26