Patents by Inventor William H. Chu

William H. Chu 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).

  • Multifuel heater
    Patent number: 5249956
    Abstract: An improved multi-fuel heater using a porous fuel vaporizer in close proxty to an burner cup the improved heater having means to ameliorate the build up of particulate material between the cup and the vaporizer.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: October 5, 1993
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: William H. Chu
  • Multifuel heater
    Patent number: 5137445
    Abstract: An improved multifuel heater having a means to provide a source of particte free combustion air to a fuel ignition chamber.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: August 11, 1992
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: William H. Chu