Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dirk Ventur — 2 Patents

WIWitco: 2 patents #46 of 201Top 25%
Bochum, DE: #330 of 1,022 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dirk Ventur has been granted 2 US patents while listed as an inventor at Witco. All of these patents were granted in 1994. Dirk Ventur ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dirk Ventur in Bochum, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5344482 Use of thiadiazoles as biocides for material protection Horst Landsiedel 1994-09-06 $9,454,000
5332430 Use of thiadiazole compounds as an antifouling active ingredient Ursula Gerigk 1994-07-26 $9,122,000