Patents by Inventor John A. Wetmore

John A. Wetmore 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).

  • Reclamation system for contaminated material
    Patent number: 5114568
    Abstract: A soil reclamation system that separates the contaminant from all soil particles greater than one micron in diameter and generates resuable soil and contaminant products. The process is based on a novel application of gas-sparged centrifugal separation under operating conditions and equipment specifications tailored to optimize the separation of the particular contaminant. The apparatus is mounted on a front-end loader for mobility and self-contained on site operation.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: May 19, 1992
    Assignee: Earth Solutions, Inc.
    Inventors: Brian J. Brinsmead, Gary F. Stepenoff, Vicki H. Bess, Gary R. Huxel, John A. Wetmore