Patents by Inventor Darwin Arifin

Darwin Arifin 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).

  • Methods and apparatus for gas-phase reduction/oxidation processes
    Patent number: 9399575
    Abstract: A method and apparatus for gas-phase reduction/oxidation is disclosed. The apparatus includes a reactor including at least one reactor tube or containment vessel with active redox material within the reactor tube or containment vessel, a first reactant gas or vacuum for reducing the active redox material, and a second reactant gas for oxidizing the active redox material. The method may be run under substantially isothermal conditions and/or energy supplied to the apparatus may include solar energy, which may be concentrated.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: July 26, 2016
    Assignee: The Regents of the University of Colorado, a body corporate
    Inventors: Paul Lichty, Christopher Muhich, Darwin Arifin, Alan W. Weimer, Aldo Steinfeld