Patents by Inventor Brickton D. Kristy

Brickton D. Kristy 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).

  • Computer controlled deadbolts
    Patent number: 4744021
    Abstract: An electronic lock system for positioning one or more deadbolts, and responsive to a passive signal encoded and imposed upon a radio carrier wave, the carrier wave being received and decoded and passed into a computer that controls operation of a drive for closed and opened positioning of the deadbolt, or deadbolts, the computer being responsive to an obstructed deadbolt, responsive to door opening and closing, and indicating the locked and unlocked condition of the system.
    Type: Grant
    Filed: February 1, 1986
    Date of Patent: May 10, 1988
    Inventor: Brickton D. Kristy
  • Electronic code controlled deadbolt
    Patent number: 4568998
    Abstract: An electronic lock system for power positioning of a deadbolt, responsive to passive code combinations of tone frequencies imposed upon a radio frequency carrier wave, the code combinations being encoded and decoded with direct activation of switching to control operation of a motor drive for closed and opened positioning of said deadbolt.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: February 4, 1986
    Inventor: Brickton D. Kristy