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USPTO Patent Rankings Data through Dec 31, 2025
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Ralf Blackstone — 12 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Clearwater, FL: #53 of 932 inventorsTop 6%
Florida: #4,419 of 67,251 inventorsTop 7%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Ralf Blackstone has been granted 12 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in August 2024. Ralf Blackstone ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ralf Blackstone in Clearwater, FL, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12070454 Anesthetic nerve block and method Howard L. Howell 2024-08-27
11890422 Anesthetic nerve block and method Howard L. Howell 2024-02-06
10337761 Microenvironmental cooling system 2019-07-02
8784035 Bladeless fluid propulsion pump 2014-07-22
7266965 Air cooling device 2007-09-11
7266966 Air cooling device 2007-09-11
6993930 Air cooling device 2006-02-07
6971249 Air cooling device 2005-12-06
6901769 Air cooling device 2005-06-07
6571574 Air cooling device 2003-06-03
4543947 Cervical spine collar 1985-10-01
4401111 Cervical spine collar 1983-08-30