Patents by Inventor Ralph Clague

Ralph Clague has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control valve, fuel cell exhaust assembly and fuel cell
    Patent number: 10978725
    Abstract: A control valve for controlling the exhausting of a purge gas from a fuel cell assembly, comprising a valve body having a valve member therein moveable between a first position and a second position, an inlet port for receiving a purge gas from the fuel cell assembly and an outlet port for providing an outlet for the purge gas, the valve member configured to, in the first position, prevent purge gas from flowing between the inlet port and the outlet port and, in the second position, allow the flow of purge gas between the inlet port and the outlet port, the valve body including a drain port adapted and arranged in the valve body to allow liquid to drain out of the valve body, the drain port configured to close when the valve member is in the second position.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: April 13, 2021
    Assignee: Intelligent Energy Limited
    Inventors: Gareth Coates, Karl Blackmore, Ralph Clague
  • CONTROL VALVE, FUEL CELL EXHAUST ASSEMBLY AND FUEL CELL
    Publication number: 20170346113
    Abstract: A control valve for controlling the exhausting of a purge gas from a fuel cell assembly, comprising a valve body having a valve member therein moveable between a first position and a second position, an inlet port for receiving a purge gas from the fuel cell assembly and an outlet port for providing an outlet for the purge gas, the valve member configured to, in the first position, prevent purge gas from flowing between the inlet port and the outlet port and, in the second position, allow the flow of purge gas between the inlet port and the outlet port, the valve body including a drain port adapted and arranged in the valve body to allow liquid to drain out of the valve body, the drain port configured to close when the valve member is in the second position.
    Type: Application
    Filed: November 27, 2015
    Publication date: November 30, 2017
    Applicant: Intelligent Energy Limited
    Inventors: Gareth Coates, Karl Blackmore, Ralph Clague