Patents by Inventor Richard A. Vanderwal

Richard A. Vanderwal 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).

  • Waste treatment control system
    Patent number: 6752956
    Abstract: The invention relates to a control system for processing waste. The system controls pressure and temperature in a treatment vessel to provide a more efficient process. A system for shredding the waste in the vessel is used to improve process efficiency and provides a more compact waste product.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: June 22, 2004
    Assignee: Hydroclave Systems Corporation
    Inventor: Richard A. Vanderwal
  • Waste treatment control system
    Patent number: 6139793
    Abstract: The invention relates to a control system for processing waste. The system controls pressure and temperature in a treatment vessel to provide a more efficient process. A system for shredding the waste in the vessel is used to improve process efficiency and provides a more compact waste product.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: October 31, 2000
    Assignee: Hydroclave Systems Corporation
    Inventor: Richard A. Vanderwal