Patents by Inventor Jonathan Roger

Jonathan Roger 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).

  • Pressure controller for fire protection system maintained under vacuum, and related method
    Patent number: 9987509
    Abstract: The invention is directed to a pressure controller and a method for monitoring and controlling the pressure level in a fire protection piping network maintained under vacuum pressure and for detecting a positive pressure variation in the network. The rate of pressure increase is used to detect the opening of a sprinkler head in the sprinkler piping network.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: June 5, 2018
    Assignee: Systèmes Fireflex Inc.
    Inventors: Jean-Pierre Asselin, Sylvain Coupal, Frédéric Lachance, Jonathan Roger