Patents by Inventor William Luther Porter

William Luther Porter 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).

  • Sea vessel tagging apparatus and system
    Patent number: 8131213
    Abstract: The present invention discloses a tagging and identification device and system for tracking and monitoring sea vessels as they enter sea ports, estuaries and/or other channels. The tagging device of the present invention comprises a receiver, for receiving an underwater electromagnetic signal transmitted by an underwater beacon. An acoustic transmitter is provided for transmitting an identification signal to an acoustic receiver deployed nearby. The acoustic identification signal is transmitted after an electromagnetic trigger signal is received from the underwater beacon. The tagging and device may further comprise a memory device which can store data relating to position and time of the see vessel to which it is attached. The tagging and identification device of the present invention is covert, compact and is capable of extended active deployment without replenishment of batteries etc.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: March 6, 2012
    Assignee: WFS Technologies Ltd.
    Inventors: William Luther Porter, Thomas Kurt Nielsen, Brendan Peter Hyland
  • SEA VESSEL TAGGING APPARATUS AND SYSTEM
    Publication number: 20100245120
    Abstract: The present invention discloses a tagging and identification device and system for tracking and monitoring sea vessels as they enter sea ports, estuaries and/or other channels. The tagging device of the present invention comprises a receiver, for receiving an underwater electromagnetic signal transmitted by an underwater beacon. An acoustic transmitter is provided for transmitting an identification signal to an acoustic receiver deployed nearby. The acoustic identification signal is transmitted after an electromagnetic trigger signal is received from the underwater beacon. The tagging and device may further comprise a memory device which can store data relating to position and time of the see vessel to which it is attached. The tagging and identification device of the present invention is covert, compact and is capable of extended active deployment without replenishment of batteries etc.
    Type: Application
    Filed: April 29, 2010
    Publication date: September 30, 2010
    Inventors: William Luther Porter, Thomas Kurt Nielsen, Brendan Peter Hyland