Patents by Inventor Keith E. Boonstra

Keith E. Boonstra 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).

  • Humidifier Utilizing Filtered Water
    Publication number: 20150090662
    Abstract: A humidifier is provided that typically includes a water filtration unit and a pump that draws filtered water from the water filtration unit, typically a carbon nanotube filter. The humidifier further includes a nozzle having an outlet orifice, wherein the nozzle is connected to the pump, where the pump forces the filtered water through the nozzle, thereby expelling the filtered water into an atmosphere in the form of a purified vapor or mist.
    Type: Application
    Filed: November 5, 2010
    Publication date: April 2, 2015
    Inventor: Keith E. Boonstra
  • Humidifier utilizing filtered water
    Patent number: 8991794
    Abstract: A humidifier is provided that typically includes a water filtration unit and a pump that draws filtered water from the water filtration unit, typically a carbon nanotube filter. The humidifier further includes a nozzle having an outlet orifice, wherein the nozzle is connected to the pump, where the pump forces the filtered water through the nozzle, thereby expelling the filtered water into an atmosphere in the form of a purified vapor or mist.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: March 31, 2015
    Inventor: Keith E. Boonstra