Patents by Inventor Thomas M. Unger

Thomas M. Unger 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).

  • Apparatus for filtering, retaining and disposal of waste water accumulated on a boat
    Patent number: 4886607
    Abstract: An apparatus for filtering, retaining and disposal of waste water accumulated on a boat. The apparatus includes a tank and a device for controlling the flow of waste water from the tank. The device includes a depth measuring instrument responsive to water depth below the boat. The depth measuring instrument provides a depth signal representing the water depth below the boat in relation to the a pre-determined water depth. The depth signal is received by a signal generating device operable to generate a discharge signal in response to the depth signal. The discharge signal is received by a discharge device which discharges waste water from the tank in response to the discharge signal.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: December 12, 1989
    Assignee: Aqua Trend Systems Inc.
    Inventors: Eugene L. Lalonde, Michael R. Bruynesteyn, Thomas M. Unger