Patents by Inventor Sam Ledford

Sam Ledford 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).

  • Patent number: 7699981
    Abstract: An apparatus and method for installing an adjustable height drain onto a conduit in a layer of hardenable material. The drain includes a grate member adjustably connected to and in fluid communication with a base member. A connection member connects the grate member and base member and is adjustable to allow the elevation of the grate member to be adjusted in relation to the base member. A spacer is disposed substantially adjacent at least a portion of the connection member to limit hardenable material from setting around the connection member when a layer of hardenable material is poured.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: April 20, 2010
    Inventors: Sam Ledford, Bryan Graham
  • Publication number: 20080168727
    Abstract: An apparatus and method for installing an adjustable height drain onto a conduit in a layer of hardenable material. The drain includes a grate member adjustably connected to and in fluid communication with a base member. A connection member connects the grate member and base member and is adjustable to allow the elevation of the grate member to be adjusted in relation to the base member. A spacer is disposed substantially adjacent at least a portion of the connection member to limit hardenable material from setting around the connection member when a layer of hardenable material is poured.
    Type: Application
    Filed: March 26, 2008
    Publication date: July 17, 2008
    Inventors: Sam Ledford, Bryan Graham
  • Publication number: 20080078126
    Abstract: An apparatus and method for installing an adjustable height drain onto a conduit in a layer of hardenable material. The drain includes a grate member adjustably connected to and in fluid communication with a base member. A connection member connects the grate member and base member and is adjustable to allow the elevation of the grate member to be adjusted in relation to the base member. A sealing mechanism is disposed substantially adjacent at least a portion of the connection member to limit hardenable material from setting around the connection member when a layer of hardenable material is poured.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Inventors: Sam Ledford, Brian Graham