Patents by Inventor Otis L. Hughen, Jr.

Otis L. Hughen, Jr. 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: 6771181
    Abstract: The present application provides a new emergency exit system. The system comprises an exit door controlled by an emergency detection system, which includes emergency detection sensors such as a smoke detector, a heat detector and/or a carbon monoxide detector functionally connected to the door. The exit door is pivotally mounted on a frame and equipped with a locking mechanism which is in communication with the emergency detection system through an alarm system. The door automatically opens and illuminates when an unsafe emergency situation is detected to provide a lighted escape route at the floor level of a room.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: August 3, 2004
    Inventor: Otis L. Hughen, Jr.