Patents by Inventor Ryan Dunham

Ryan Dunham 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).

  • Enthalpy wheel
    Patent number: 6601402
    Abstract: This invention relates to enthalpy wheels and systems containing enthalpy wheels. The enthalpy wheel subasssembly includes a first plate, a cap, a compliance element between the first plate and the cap and a pressure producing element between the fist plate and the cap.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: August 5, 2003
    Assignee: Plug Power Inc.
    Inventor: Ryan Dunham
  • Enthalpy wheel
    Publication number: 20020050145
    Abstract: Enthalpy wheels are disclosed.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 2, 2002
    Inventor: Ryan Dunham