Patents by Inventor David HOUNG

David HOUNG 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).

  • Method, apparatus, and system for refueling hydrogen vehicles
    Patent number: 10240721
    Abstract: A dispenser apparatus that includes a first cascade stage having a first connector configured to connect to and disconnect from a first gas storage vessel, and a first conduit connected to the first connector and having a first valve and a first pressure measuring device, and a second cascade stage having a second connector configured to connect to and disconnect from a second gas storage vessel, and a second conduit connected to the second connector and having a second valve and a second pressure measuring device. A common flow path is fluidly connected to the conduits, and has a dispensing nozzle to connect to a vehicle during refueling. A controller is provided to control the first and/or second valve(s) to perform refueling using gas stored in at least one of the first and second gas storage vessels based on pressure measurements of the first and/or second pressure measuring device(s).
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: March 26, 2019
    Assignee: ONEH2, INC.
    Inventors: Paul A. Dawson, Franklin D. Lomax, Rafael S. Lemos, David Houng
  • METHOD, APPARATUS, AND SYSTEM FOR REFUELING HYDROGEN VEHICLES
    Publication number: 20170102110
    Abstract: A dispenser apparatus that includes a first cascade stage having a first connector configured to connect to and disconnect from a first gas storage vessel, and a first conduit connected to the first connector and having a first valve and a first pressure measuring device, and a second cascade stage having a second connector configured to connect to and disconnect from a second gas storage vessel, and a second conduit connected to the second connector and having a second valve and a second pressure measuring device. A common flow path is fluidly connected to the conduits, and has a dispensing nozzle to connect to a vehicle during refueling. A controller is provided to control the first and/or second valve(s) to perform refueling using gas stored in at least one of the first and second gas storage vessels based on pressure measurements of the first and/or second pressure measuring device(s).
    Type: Application
    Filed: October 4, 2016
    Publication date: April 13, 2017
    Applicant: OneH2, Inc.
    Inventors: Franklin D. LOMAX, Paul A. DAWSON, Rafael S. LEMOS, David HOUNG