Patents by Inventor Morris C. Croker

Morris C. Croker 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).

  • Granular fluid biofilter reversing
    Patent number: 4379050
    Abstract: A biological filter system has a bed of buoyant granules a portion of which xtends above the surface of the fluid. The bed is disposed above the effluent outlet. Distubutor and receiving means are provided by which the filter can be backwashed.
    Type: Grant
    Filed: October 27, 1981
    Date of Patent: April 5, 1983
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: W. John Hess, Morris C. Croker