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USPTO Patent Rankings Data through Dec 31, 2025
TS

Todd C. Spengeman — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Missouri City, TX: #389 of 1,012 inventorsTop 40%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Todd C. Spengeman has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2008 and the most recent in August 2012. Todd C. Spengeman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Todd C. Spengeman in Missouri City, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8247580 Process for preparing ε-caprolactone Rolf Pinkos, Gerd-Dieter Tebben, Thomas Krug, Tilman Sirch, Stephanie A. Bejune +2 more 2012-08-21
7462747 Process for preparing polyalcohols from formaldehyde having a low formic acid content Timan Sirch, Michael Steiniger, Steffen Maas, Stefan Rittinger, Stephan Schlitter +2 more 2008-12-09
7388116 Hydrogenation of methylolalkanals Steffen Maas, Thorsten Johann, Michael Koch, Tilman Sirch, Stephan Schlitter +2 more 2008-06-17