Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel B. Carlsen — 3 Patents

MIMinntech: 2 patents #26 of 70Top 40%
Minneapolis, MN: #1,992 of 6,114 inventorsTop 35%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Daniel B. Carlsen has been granted 3 US patents while listed as an inventor at Minntech. The first was granted in 1997 and the most recent in October 2000. Daniel B. Carlsen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daniel B. Carlsen in Minneapolis, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE36914 Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide Robert G. Andrus, Robert T. Hall, II 2000-10-17
5840343 Room temperature sterilant for medical devices Robert T. Hall, II, Bradley K. Onstad 1998-11-24 $863,000
5605627 Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide Robert G. Andrus, Robert T. Hall, II 1997-02-25 $928,000