Patents by Inventor Leroy L. Beach

Leroy L. Beach 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: 7559726
    Abstract: A drill plug ejection system includes a drill and a drill bit coupled to the drill. The drill rotates the drill bit. A hole saw is mounted on the drill bit and includes a base wall and a perimeter wall that is attached to and extends away from the base wall. The perimeter wall has an terminal edge defining an opening into the hole saw. The terminal edge comprises saw teeth for cutting into material and removing a plug from the material. A plate has a first side, a second side and a peripheral edge. The plate has an aperture therein extending into the first side and outwardly of second side. The drill bit extends through the aperture and the second side faces the opening of the hole saw. A pair of biasing members is mounted on the plate and bias the plug outwardly of the hole saw.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: July 14, 2009
    Inventor: Leroy L. Beach