Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Charles W. Helpert — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Durham, NC: #1,453 of 4,103 inventorsTop 40%
North Carolina: #14,587 of 45,564 inventorsTop 35%
Overall (All Time): #1,615,260 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6369003 Process and composition for soil improvement by reducing microbially formed ethylene in the soil Wilhelm Rademacher, Helmut Walter, Eberhard P. Schott, Dale R. Carlson, Lisa P. Schell +4 more 2002-04-09
5869424 Plant growth retardants in combination with inhibitors of ethylene biosynthesis or action Wihelm Rademacher, Charles W. Finch, Mary Callan, Hans von Amsberg, Johannes Jung +1 more 1999-02-09
5861360 Encapsulated plant growth regulator formulations and applications Wilhelm Rademacher, Charles W. Finch, Mary Callan, Hans von Amsberg 1999-01-19