Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas Allspach — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Bad Dürkheim, DE: #123 of 277 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Thomas Allspach has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 1989 and the most recent in January 1991. Thomas Allspach ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Thomas Allspach in Bad Dürkheim, DE.

Patents per Year

Patents granted per year, 1989 to 1991Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891990: 1 patents19901991: 1 patents1991

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4987264 Novel polyphenol and thermosetting plastics prepared therefrom Jan Holoch, Roland Peter, Philipp Eisenbarth 1991-01-22
4940740 Single phase toughened heat-curable resin systems exhibiting high strength after impact Thomas Folda 1990-07-10
4855427 Epoxy resins obtained from reaction of epoxyalkyl halides and aromatic hydroxyl-containing melamines Roland Peter, Klaus Ebel 1989-08-08