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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Todd Simpson — 7 Patents

HYHydrogenics: 7 patents #10 of 85Top 15%
Brampton, CA: #90 of 1,005 inventorsTop 9%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Todd Simpson has been granted 7 US patents while listed as an inventor at Hydrogenics. The first was granted in 2004 and the most recent in July 2014. Todd Simpson ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Todd Simpson in Brampton, ON, CA.

Patents per Year

Patents granted per year, 2004 to 2014Bar chart with a peak of 3 patents in 2008.peak 32004: 1 patents20042005: 1 patents20052006: 1 patents20062008: 3 patents20082014: 1 patents2014

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8765318 System and method for electrochemical cell system and leak detection and indication Sonia Quattrociocchi, Rami Michel Abouatallah 2014-07-01 $3,224,000
7338545 Apparatus for separating liquid from a process gas stream of an electrochemical cell stack Ricardo Bazzarella 2008-03-04 $424,000
7323263 Fuel cell system and method of operation to reduce parasitic load of fuel cell peripherals Joseph Cargnelli, Stephen Burany 2008-01-29 $416,000
7323262 Method of operating a fuel cell power system to deliver constant power Stephen Burany, Joseph Cargnelli 2008-01-29 $416,000
7018732 System and method for management of gas and water in fuel cell system Joseph Cargnelli, Robert Del Core, Stephen Burany, Jianming Ye, Ricardo Bazzarella 2006-03-28 $4,129,000
6866061 Back pressure valve with dynamic pressure control Jianming Ye 2005-03-15 $5,404,000
6726187 Humidifier Jianming Ye, Joseph Cargnelli 2004-04-27 $1,786,000