Patents by Inventor Graham P. Evans

Graham P. Evans 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).

  • Distance lighting system for boats
    Patent number: 5495401
    Abstract: A distance safety lighting system for boats, comprising three electroluminescent strips disposed in the bumper guard surrounding the gunwale of a boat so as to form a substantially continuous illuminated loop around the boat. Preferably, a red strip extends along the port side of the boat, a green strip extends along the starboard side of the boat, and a white strip extends along the stern of the boat. The three-colored illuminated strips provide a visually discernable profile of the boat for identification at night.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: February 27, 1996
    Inventor: Graham P. Evans
  • Continuous monitoring of water quality
    Patent number: 4723511
    Abstract: A supply of water is continuously monitored to ensure purtiy by dividing the supply into a number of parallel streams and flowing each through a fish tank containing a fish (or other aquatic animal), the health of each fish being monitored by electrodes in each respective tank. The fish tanks are located together in a main tank and the water supply is drawn from a header tank via pipework, the tank being fed from supply. The apparatus includes an electronic system to monitor the activity of the fish.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: February 9, 1988
    Assignee: Water Research Centre
    Inventors: Arthur J. Solman, Graham P. Evans