Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dan Schaefer — 2 Patents

RORotys: 2 patents #6 of 14Top 45%
Palm Desert, CA: #46 of 170 inventorsTop 30%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dan Schaefer has been granted 2 US patents while listed as an inventor at Rotys. All of these patents were granted in 2006. Dan Schaefer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dan Schaefer in Palm Desert, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7044202 Cooler for electronic devices Edward Lopatinsky, Saveliy Rosenfeld, Lev Fedoseyev 2006-05-16
7021894 Apparatus for cooling of electronic components Edward Lopatinsky, Saveliy Rosenfeld, Lev Fedoseyev 2006-04-04