Patents by Inventor Bert Gustav Shelton

Bert Gustav Shelton 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).

  • Water-saving lock configurations and operations
    Patent number: 8545131
    Abstract: A two-lane ship lock having center-wall tanks that hold water drained from one lane for use in filling the second lane as the unit is operated. The method reduces transit water-use where a lock connects a waterway to a sea with large daily tides by capturing seawater in a lagoon at high tide for use at start of chamber refilling during lower tides.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: October 1, 2013
    Inventor: Bert Gustav Shelton
  • WATER-SAVING LOCK CONFIGURATIONS AND OPERATIONS
    Publication number: 20100260549
    Abstract: A two-lane ship lock having center-wall tanks that hold water drained from one lane for use in filling the second lane as the unit is operated. The method reduces transit water-use where a lock connects a waterway to a sea with large daily tides by capturing seawater in a lagoon at high tide for use at start of chamber refilling during lower tides.
    Type: Application
    Filed: January 21, 2009
    Publication date: October 14, 2010
    Inventor: Bert Gustav Shelton