Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TI

Thomas Imfeld — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
UZUniversitat Zurich: 1 patents #128 of 394Top 35%
Zürich, CH: #1,389 of 3,852 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Thomas Imfeld has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in February 2014. Thomas Imfeld ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Thomas Imfeld in Zürich, CH.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8658188 Radio-opaque bioactive glass materials Wendelin Jan Stark, Dirk Mohn, Matthias Zehnder 2014-02-25
4302441 Solid oral preparations of urea hydrogen peroxide without glycerol Hans R. Muhlemann, Allen R. Firestone 1981-11-24