Patents by Inventor John C. Washburn, II

John C. Washburn, II 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).

  • Cattle guard
    Patent number: 11696565
    Abstract: A cattle guard may include a front rail with at least one receptacle therein, a back rail with at least one receptacle therein, at least one support member having a first end disposed in the at least one receptacle of the front rail and a second end disposed in the at least one receptacle of the back rail, a left rail with a first plurality of receptacles therein, a right rail with a second plurality of receptacles therein, and a plurality of pipes extending between the receptacles of the left and right rails and over the at least one support member. Cattle guard kits and methods of installation are also disclosed.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: July 11, 2023
    Inventor: John C. Washburn, II
  • Cattle guard
    Patent number: 10905097
    Abstract: A cattle guard may include a front rail with at least one receptacle therein, a back rail with at least one receptacle therein, at least one support member having a first end disposed in the at least one receptacle of the front rail and a second end disposed in the at least one receptacle of the back rail, a left rail with a first plurality of receptacles therein, a right rail with a second plurality of receptacles therein, and a plurality of pipes extending between the receptacles of the left and right rails and over the at least one support member. Cattle guard kits and methods of installation are also disclosed.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: February 2, 2021
    Inventor: John C. Washburn, II