Patents by Inventor Wayman Walker, II

Wayman Walker, II 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: 4468324
    Abstract: A filtration and extraction apparatus comprises a housing, a plurality of cages disposed in a passage of said housing, compressible filtration and extraction mechanisms which are disposable in each cage and mechanisms for simultaneously positioning said cages within the passage and compressing at least a portion of the filtration and extraction mechanisms so as to prevent the channeling of fluid around said filtration and extraction mechanisms.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: August 28, 1984
    Assignee: The Regents of the University of Calif.
    Inventors: Brock W. de Lappe, Robert W. Risebrough, Wayman Walker, II, Edwin H. Colledge