Patents by Inventor George W. Shackelford

George W. Shackelford 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).

  • Surface drain system
    Patent number: 6141916
    Abstract: A drain channel having a bottom and two sidewalls. A domed strainer is attached to the bottom surrounding a drain port, spaced from both sidewalls. A rigid brace is rigidly attached to both sidewalls and to the dome. It has apertures which will pass water to all sides of the domed strainer, and provides mutual reinforcement of the strainer and the sidewalls. If desired a trough can be telescopically fitted to the drain channel.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: November 7, 2000
    Assignee: Turf Tek Products, Inc.
    Inventor: George W. Shackelford
  • Directional drain valve
    Patent number: 6109297
    Abstract: A drain valve according to this invention comprises a mount, a peripheral flange, and a plate-like valve closure hinged to the mount. The valve closure includes a diverter which directs flow in a direction away from the hinged edge when the valve is open. The valve closure also has two latch arms to limit the amount it can open.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: August 29, 2000
    Assignee: Normandy Products, Company
    Inventor: George W. Shackelford