Inventor

WILKINSON DAVID P

CA61 patents

⚠️ This page may combine multiple inventors who share the name “WILKINSON DAVID P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WILKINSON DAVID P

BALLARD POWER SYSTEMS

Method and apparatus for reducing reactant crossover in an electrochemical fuel cell

Electrochemical fuel cell stack with concurrent flow of coolant and oxidant streams and countercurrent flow of fuel and oxidant streams

Solid polymer fuel cell systems incorporating water removal at the anode

Laminated fluid flow field assembly for electrochemical fuel cells

Lightweight fuel cell membrane electrode assembly with integral reactant flow passages

Method of fabricating an embossed fluid flow field plate

Fuel cell with fluid distribution layer having intergral sealing capability

Impregnation of microporous electrocatalyst particles for improving performance in an electrochemical fuel cell

Electrochemical fuel cell membrane electrode assembly with porous electrode substrate

Method and apparatus for reducing reactant crossover in a liquid feed electrochemical fuel cell

Porous electrode substrate for an electrochemical fuel cell

Electrochemical fuel cell assembly with integral selective oxidizer

Electrochemical fuel cell employing ambient air as the oxidant and coolant

Method and apparatus for removing water from electrochemical fuel cells by controlling the temperature and pressure of the reactant streams

Method and apparatus for removing water from electrochemical fuel cells

Differential pressure fluid flow fields for fuel cells

Method and apparatus for operating an electrochemical fuel cell with periodic reactant starvation

Method and apparatus for operating a fuel cell

Electrochemical cell with fluid distribution layer having integral sealing capability

Embossed fluid flow field plate for electrochemical fuel cells

Method for operating fuel cells on impure fuels

Electrochemical fuel cell with an electrode substrate having an in-plane nonuniform structure for control of reactant and product transport

Method and apparatus for detecting transfer leaks in fuel cells and fuel cell stacks

Method and apparatus for detecting transfer leaks in fuel cells

Method and apparatus for operating an electrochemical fuel cell with periodic fuel starvation at the anode

Fuel cell fluid distribution layer having integral sealing capability

Sensor cell for an electrochemical fuel cell stack

Fuel cell concentration sensor

Method and apparatus for increasing the temperature of a fuel cell

Ionomer impregnation of electrode substrates for improved fuel cell performance

Method and apparatus for detecting and locating perforations in membranes employed in electrochemical cells

Integrated fuel cell and pressure swing adsorption system

Fuel cell system with improved starting capability

Method and apparatus for oxidizing carbon monoxide in the reactant stream of an electrochemical fuel cell

Method and apparatus for controlling the temperature within an electrochemical fuel cell

Method and apparatus for detecting a leak within a fuel cell

Fuel cell anode structures for voltage reversal tolerance

Fuel cell separator plate with discrete fluid distribution features

Solid polymer electrolyte fuel cell stack having specific corrosion resistant cells

Method and apparatus for reducing reactant crossover in a liquid feed electrochemical fuel cell

Method of reducing fuel cell performance degradation of an electrode comprising porous components

Electrode treatment method for improving performance in liquid feed fuel cells

Method for operating fuel cells on impure fuels

Method and apparatus for increasing the temperature of a fuel cell

Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance

JOHNSON MATTHEY PLC

Solid polymer fuel cell with improved voltage reversal tolerance

Manufacture of electrodes

Manufacture of electrodes

UNITED KINGDOM GOVERNMENT

Electrolyte solution sequestering agents for electrochemical cells having carbonaceous electrodes

BALLARD POWER SYSTEM INC

Carbon-supported catalysts for fuel cells