DF

David Frank

HY Hydrogenics: 26 patents #2 of 85Top 3%
AC American Power Conversion: 2 patents #117 of 274Top 45%
Dow Corning: 1 patents #971 of 1,768Top 55%
Overall (All Time): #154,707 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
9929413 Fuel cell sub-assembly and method of making it 2018-03-27
9580825 Electrolyzer cell stack system Ali Rusta-Sallehy, Michael Vale, Nathaniel Ian Joos 2017-02-28
8563196 Racked power supply ventilation Vincente Nunes, Claus Andersen, Jacob Damgaard Schmidt 2013-10-22
8419910 Electrolyzer cell stack system Ali Rusta-Sallehy, Michael Vale, Nathaniel Ian Joos 2013-04-16
8241810 Racked power supply ventilation Vicente Nunes, Claus Andersen, Jacob Damgaard Schmidt 2012-08-14
7569303 Membrane electrode assembly with modified catalyst layout Nathaniel Ian Joos, Mario Dzamarija, Raymond Candido, Rami Michel Abouatallah 2009-08-04
7432008 Gas diffusion layer for an electrochemical cell Nathaniel Ian Joos 2008-10-07
7348092 Apparatus for and method of forming seals in fuel cells and fuel stacks Joseph Cargnelli, Lawrence Frisch, William Gordon Bradford, Myron T. Maxson, Brian Swanton +1 more 2008-03-25
7338727 Method of operating a fuel cell to provide a heated and humidified oxidant Xuesong Chen, Pierre Rivard, Joe Cargnelli 2008-03-04
7210220 Apparatus for and method of forming seals in fuel cells and fuel stacks Joseph Cargnelli, Lawrence Frisch, William Gordon Bradford, Myron T. Maxson, Brian Swanton +1 more 2007-05-01
7138202 Apparatus for and method of forming seals in fuel cells and fuel stacks Joseph Cargnelli, Lawrence Frisch, William Gordon Bradford, Myron T. Maxson, Brian Swanton +1 more 2006-11-21
7045230 Chemical hydride hydrogen generation system and fuel cell stack incorporating a common heat transfer circuit Ali Rusta-Sellehy 2006-05-16
6946104 Chemical hydride hydrogen generation system and an energy system incorporating the same Ali Rusta-Sallehy, Robert Rady-Pentek 2005-09-20
6936081 Chemical hydride hydrogen reactor and generation system Ali Rusta-Sallehy, Xuesong Chen 2005-08-30
6916567 Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell Joe Cargnelli, Jianming Ye, Xuesong Chen, Ravi Gopal 2005-07-12
6878477 Fuel cell flow field plate Xuesong Chen, Sonia Sorbera, Nathaniel Ian Joos 2005-04-12
6852439 Apparatus for and method of forming seals in fuel cells and fuel cell stacks Joseph Cargnelli, Lawrence Frisch, William Gordon Bradford, Myron T. Maxson, Brian Jeffrey Swanton +1 more 2005-02-08
6833207 Unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer Nathanial Ian Joos, Joseph Cargnelli 2004-12-21
6790546 Method of heating and humidifying at least one of a fuel stream and an oxidant stream for a fuel cell Xuesong Chen, Pierre Rivard, Joe Cargnelli 2004-09-14
6746789 Catalytic humidifier and heater for the fuel stream of a fuel cell Xuesong Chen, Pierre Rivard, Joe Cargnelli 2004-06-08
6737184 Chemical hydride hydrogen generation system and an energy system incorporating the same Ali Rusta-Sellehy 2004-05-18
6727012 Method and apparatus for generating hydrogen inside of a fuel cell Xuesong Chen, Ali Rusta-Sallehy 2004-04-27
6706429 Catalytic humidifier and heater, primarily for humidification of the oxidant stream for a fuel cell Xuesong Chen, Pierre Rivard, Joe Cargnelli 2004-03-16
6602625 Fuel cell with dual end plate humidifiers Xuesong Chen 2003-08-05
6541141 Water recovery in the anode side of a proton exchange membrane fuel cell Xuesong Chen 2003-04-01