Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Hacker — 2 Patents

AMAmoco: 2 patents #385 of 1,251Top 35%
Evanston, IL: #747 of 1,719 inventorsTop 45%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Hacker has been granted 2 US patents while listed as an inventor at Amoco. The first was granted in 1986 and the most recent in June 1992. David Hacker ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Hacker in Evanston, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5118838 By-product recovery when oxidizing polymethylbenzenes to polycarboxylic acids Martin A. Zeitlin, Kristi A. Fjare, Diane J. Graziano, Stacey L. Kissinger 1992-06-02 $22,405,000
4604274 Photochemical process for the preparation of disilane Joshua Zavelovich 1986-08-05 $88,662,000