Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SB

Stephen Burany

HYHydrogenics: 4 patents #15 of 85Top 20%
Thornhill, CA: #117 of 534 inventorsTop 25%
Overall (All Time): #1,250,042 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7323262 Method of operating a fuel cell power system to deliver constant power Todd Simpson, Joseph Cargnelli 2008-01-29
7323263 Fuel cell system and method of operation to reduce parasitic load of fuel cell peripherals Joseph Cargnelli, Todd Simpson 2008-01-29
7148654 Method and apparatus for monitoring fuel cell voltages Ravi Gopal, Norman Freeman, Stephane Masse 2006-12-12
7018732 System and method for management of gas and water in fuel cell system Joseph Cargnelli, Todd Simpson, Robert Del Core, Jianming Ye, Ricardo Bazzarella 2006-03-28