Patents by Inventor Howard G. Kirkwood

Howard G. Kirkwood 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).

  • Combined garage door screen and garage door and method
    Patent number: 5860465
    Abstract: A combined garage door screen and garage door and method is disclosed wherein the garage door screen can be selectively fixedly attached to the back of the garage door in either a lower (closed screen) position when the bottom portion of the garage door is spaced from the ground or an upper (screen up) position when the bottom portion of the garage door screen is raised to a level at least equal to the level of the bottom portion of the garage door.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: January 19, 1999
    Inventors: Gary L. Eastridge, Howard G. Kirkwood
  • Venturi ventilation system for an angled tile roof and method therefor
    Patent number: 5766071
    Abstract: A venturi-type system for cooling a roof by rapidly moving the hot air beneath roof tiles. The air cooling system is passive, and accelerates the evacuation of hot air from beneath roof tiles by creating a venturi system at the uppermost portion of an angled tile roof.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: June 16, 1998
    Inventor: Howard G. Kirkwood