Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hans E. Kubitschek

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Houston, TX: #12,319 of 21,073 inventorsTop 60%
Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,041,912 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4474678 Alkanol ethoxylate-containing detergent compositions Eugene F. Lutz, Donald L. Wood 1984-10-02