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

Tim Fisher — 8 Patents

CICritical Innovations: 4 patents #5 of 9Top 60%
Lawndale, CA: #18 of 123 inventorsTop 15%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Tim Fisher has been granted 8 US patents while listed as an inventor at Critical Innovations. The first was granted in 2005 and the most recent in June 2025. Tim Fisher ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Tim Fisher in Lawndale, CA, US.

Patents per Year

Patents granted per year, 2005 to 2025Bar chart with a peak of 2 patents in 2023.peak 22005: 1 patents20052008: 1 patents20082013: 1 patents20132020: 1 patents20202022: 1 patents20222023: 2 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12324894 Percutaneous access pathway system Ross I. Donaldson, Oliver Buchanan, Jon Armstrong, John Cambridge 2025-06-10
11832833 Percutaneous access pathway system Ross I. Donaldson, Oliver Buchanan, Muhammed Hamdan, John Cambridge, Jonathan Armstrong 2023-12-05
11814887 Concealable hinge Jon Fisher 2023-11-14
11406809 Percutaneous access pathway system Ross I. Donaldson, Oliver Buchanan, Jon Armstrong, John Cambridge 2022-08-09
10814119 Percutaneous access pathway system Ross I. Donaldson, Oliver Buchanan, Jon Armstrong, John Cambridge 2020-10-27
8608523 Lightweight personal hydroplane watercraft 2013-12-17
7380810 Vehicle hitch with multi-directional damping Jeff Wilkens 2008-06-03
D504061 Universal joint adapter flange Marvin Hoffman 2005-04-19