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

Ottawa, CA: #2,643 of 6,399 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dan Carruthers has been granted 2 US patents. The first was granted in 2011 and the most recent in September 2022. Dan Carruthers ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dan Carruthers in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11436844 In-vehicle monitoring system and devices Christian Molson, Dan Crawford, David Kennedy, Robert M. Watson, Russell Ure +2 more 2022-09-06
8073663 Method and system for modelling petroleum migration Christopher Neufeld 2011-12-06