Patents by Inventor Bill M. Gray

Bill M. Gray 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).

  • Rolling door retainer
    Patent number: 7779578
    Abstract: A retainer for aircraft hangar doors in which vertical movement of doors is adjustably limited to allow sufficient movement to permit door removal from their supporting tracks or to prevent such undesirable displacement during high wind conditions as experienced during hurricanes and tornadoes or violent earth motions during earthquakes. The retainer in its retaining position does not obstruct normal opening and closing of the doors and is economical to manufacture and install.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: August 24, 2010
    Inventor: Bill M. Gray
  • ROLLING DOOR RETAINER
    Publication number: 20090013608
    Abstract: A retainer for aircraft hangar doors in which vertical movement of doors is adjustably limited to allow sufficient movement to permit door removal from their supporting tracks or to prevent such undesirable displacement during high wind conditions as experienced during hurricanes and tornadoes or violent earth motions during earthquakes. The retainer in its retaining position does not obstruct normal opening and closing of the doors and is economical to manufacture and install.
    Type: Application
    Filed: August 21, 2008
    Publication date: January 15, 2009
    Inventor: Bill M. Gray