Patents by Inventor Stephen J. Penney

Stephen J. Penney 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).

  • Chamberless smoke detector
    Patent number: 10580277
    Abstract: The detector has a first optical smoke detector having a first smoke detector light source arranged for emitting a first beam of light and a first scattered light sensor positioned to detect light from the first beam which is scattered by smoke present within a detection zone; a second optical smoke detector having a second smoke detector light source arranged for emitting a second beam of light and a second scattered light sensor positioned to detect light from the second beam which is scattered by smoke present within the detection zone; and an object proximity detector to detect an object in the detection zone.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 3, 2020
    Assignee: Johnson Controls Fire Protection LP
    Inventors: Stephen J. Penney, Andrew Naish, Steven Bennett, Faruk Meah
  • Chamberless Smoke Detector
    Publication number: 20190080579
    Abstract: The detector has a first optical smoke detector having a first smoke detector light source arranged for emitting a first beam of light and a first scattered light sensor positioned to detect light from the first beam which is scattered by smoke present within a detection zone; a second optical smoke detector having a second smoke detector light source arranged for emitting a second beam of light and a second scattered light sensor positioned to detect light from the second beam which is scattered by smoke present within the detection zone; and an object proximity detector to detect an object in the detection zone.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 14, 2019
    Inventors: Stephen J. Penney, Andrew Naish, Steven Bennett, Faruk Meah