Patents by Inventor Nicholas MCKENDREE

Nicholas MCKENDREE 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).

  • ACTIVE SAMPLING SMOKE SENSOR FOR THE MINING INDUSTRY
    Publication number: 20140160473
    Abstract: An optical smoke detector designed for the mining industry that includes an active sampling component and a unique air flow system to reduce the environmental impact of underground mining. The active sampling smoke detector may include an intake fan, an optical sensing unit, an air path between the intake fan and the optical sensing unit, and a controller operatively connected to the intake fan and the optical sensing unit, the controller being configured to regulate fan speed and output at least one signal indicative of air quality passing through the optical sensing unit.
    Type: Application
    Filed: March 14, 2013
    Publication date: June 12, 2014
    Applicant: American Mine Research
    Inventor: Nicholas MCKENDREE