Patents by Inventor Robert D. Weiting

Robert D. Weiting 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 and system for recycling processing gas for selenization of thin film photovoltaic materials
    Patent number: 8728200
    Abstract: A system for recycling a work gas used in a thermal reactor for treating sample materials includes a thermal reactor using a work gas from a first source mixed with carrier gases. The work gas has a boiling point higher than the carrier gases. The system includes a pump, a condenser which converts the work gas into a liquid, and a scrubber.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: May 20, 2014
    Assignee: Stion Corporation
    Inventor: Robert D. Weiting