Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Wolfram Kogel — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Mannheim, DE: #616 of 2,026 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Wolfram Kogel has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 1997 and the most recent in May 2001. Wolfram Kogel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Wolfram Kogel in Mannheim, DE.

Patents per Year

Patents granted per year, 1997 to 2001Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971998: 1 patents19981999: 1 patents19992001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6239185 Method for producing expanded polyolefin particles Frank Braun, Klaus Hahn, Manfred Leibach, Isidoor De Grave 2001-05-29 $314,000
5925686 Production of expanded polyolefin particles Isidoor De Grave, Klaus Hahn, Joachim Fischer 1999-07-20
5773481 Polyolefin particle foam Joachim Fischer, Jens Rieger, Klaus Hahn, Isidoor De Grave 1998-06-30
5703135 Production of expanded polyolefin beads Jurgen Schweinzer, Joachim Fischer, Isidoor De Grave 1997-12-30