Patents by Inventor Rick A. Wright

Rick A. Wright 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).

  • Patent number: 6454836
    Abstract: A downhole preferential hydrocarbon gas recovery system and method employ preferentially selective materials to separate the hydrocarbon gas from contaminants. According to one aspect of the invention, the preferentially selective materials are arranged in tubes with the hydrocarbon gas flowing through the tubes and the contaminants permeating out through the preferentially selective material.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: September 24, 2002
    Assignee: Chevron U.S.A. Inc.
    Inventors: Mark H. Koelmel, Stephen Miller, Curtis L. Munson, David R. Underdown, Rick A. Wright, Jean P. Camy, Steve E. Ross, Peter C. Schmidt