Patents by Inventor David Bories

David Bories 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).

  • Automatic animal feeding apparatus
    Patent number: 4422409
    Abstract: Apparatus for automatically supplying food and water to an animal wherein food is introduced into a food ring mounted on a rotatable carousel, the rotation thereof being controlled by a timer. Water is introduced at timed intervals through spray nozzles for both cleaning the food ring, after the animal has eaten, and moisturizing the food prior to being eaten.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: December 27, 1983
    Assignee: Ralph T. Walker
    Inventors: Ralph Walker, David Bories
  • Smoke detector
    Patent number: 4257039
    Abstract: A smoke detector is battery operated and may employ an ionization chamber and/or an infrared detector. When the alarm circuit is actuated due to the presence of smoke levels above a predetermined value being sensed by the detector, the alarm is actuated and each of the built in lights is illuminated. An auxilliary light energizeable by said detector is adapted to disengage one of said lights electrically and to be energized at the same time the other of said lights is energized.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: March 17, 1981
    Assignee: Norma J. Webb
    Inventors: Norman J. Webb, David Bories