Patents by Inventor Don Plouffe

Don Plouffe 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).

  • Non interrupting on-line water distribution pressure monitoring system for compression type wet and dry barrel fire hydrants
    Patent number: 8589092
    Abstract: A non interrupting on-line water distribution pressure monitoring system for a dry barrel fire hydrant includes an upper portion or the head and a lower portion or the barrel having an opening. A water flow control mechanism mounted at the opening of the lower portion of the barrel for controlling the water flowing through the barrel. An operating rod for activating the water flow control mechanism having an upper operating rod and a lower operating rod extends through the barrel between the upper and lower portions. The upper operating rod is secured to the head and the bottom of the lower operating rod is secured through the water flow control mechanism to extend beyond the lower portion of the barrel. A water pressure measuring device is housed within the bottom of the lower operating rod and extending beyond the bottom of the lower operating rod.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: November 19, 2013
    Assignee: 2236128 Ontario Inc.
    Inventors: Don Plouffe, Rick Nissen
  • NON INTERRUPTING ON-LINE WATER DISTRIBUTION PRESSURE MONITORING SYSTEM FOR COMPRESSION TYPE WET AND DRY BARREL FIRE HYDRANTS
    Publication number: 20120004866
    Abstract: A non interrupting on-line water distribution pressure monitoring system for a dry barrel fire hydrant includes an upper portion or the head and a lower portion or the barrel having an opening. A water flow control mechanism mounted at the opening of the lower portion of the barrel for controlling the water flowing through the barrel. An operating rod for activating the water flow control mechanism having an upper operating rod and a lower operating rod extends through the barrel between the upper and lower portions. The upper operating rod is secured to the head and the bottom of the lower operating rod is secured through the water flow control mechanism to extend beyond the lower portion of the barrel. A water pressure measuring device is housed within the bottom of the lower operating rod and extending beyond the bottom of the lower operating rod.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 5, 2012
    Inventors: Don Plouffe, Rick Nissen