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

Rolf Hogan — 4 Patents

MCMcscience: 3 patents #11 of 102Top 15%
Champlin, MN: #67 of 241 inventorsTop 30%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Rolf Hogan has been granted 4 US patents while listed as an inventor at Mcscience. The first was granted in 1993 and the most recent in May 2002. Rolf Hogan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Rolf Hogan in Champlin, MN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6394980 Fluid delivery apparatus with flow indicator and vial fill Marshall Kriesell, Steven M. Arnold, James Garrison, Farhad Kazemzadeh, William F. Kuester, III 2002-05-28 $53,194,000
6355019 Variable rate infusion apparatus with indicator and adjustable rate control Marshall S. Kriesel, Thomas N. Thompson, William F. Kuester, III 2002-03-12 $71,937,000
6176845 Fluid delivery apparatus with flow indicator and vial fill Marshall S. Kriesel, Steven M. Arnold, James Garrison, Farhad Kazemzadeh, William F. Kuester, III 2001-01-23 $84,017,000
5245494 Write-read magnetic recording head John Hogan 1993-09-14