Patents by Inventor Gerard Charland

Gerard Charland 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 system
    Patent number: 6286501
    Abstract: A humidifier for adjusting the humidity level in a building, the humidifier having a heat exchange tube adapted to be heated by a furnace as the furnace heats air to be circulated through the building; an evaporation tube, in fluid communication with the heat exchange tube, adapted to maintain fluid at a first level when the furnace is not heating air; and a purge line in fluid communication with the evaporation tube, the purge line being adapted to drain fluid from the humidifier when the furnace is heating air and the fluid is at a second level.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: September 11, 2001
    Inventor: Gerard Charland