Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Carruthers — 5 Patents

EXExfo: 1 patents #46 of 88Top 55%
GDGrains Research And Development: 1 patents #42 of 68Top 65%
IFInnovia Films: 1 patents #34 of 49Top 70%
Nokia Technologies Oy: 1 patents #1,600 of 3,242Top 50%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Carruthers has been granted 5 US patents while listed as an inventor at Exfo. The first was granted in 2018 and the most recent in April 2024. David Carruthers ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Carruthers in London, QC, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11960049 Turbulence monitoring and forecasting systems and methods Warwick Grace, Graeme Tepper, Amy Stidworthy, Martin Seaton 2024-04-16
11040457 Cable management system and devices 2021-06-22
10834169 System and method of communicating with and controlling a test device 2020-11-10 $800,000
10471647 Printable film Simon James Read 2019-11-12
10073603 Method and apparatus for providing notification of a communication event via a chronologically-ordered task history Manuela Zavattaro, Guilherme Schneider 2018-09-11 $3,861,000