Patents by Inventor Gerald Stephen Harvel

Gerald Stephen Harvel 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).

  • Water conservation system for humidifiers
    Publication number: 20020070465
    Abstract: A humidification system having a humidifier housing having a supply water inlet and an excess water outlet, which excess water outlet is in fluid communication with a water reservoir vessel. A pump is provided by way of which water in the water reservoir vessel is circulated to the supply water inlet of the humidifier housing.
    Type: Application
    Filed: December 7, 2000
    Publication date: June 13, 2002
    Inventors: Gerald Stephen Harvel, William Anthony Wangler, Ralph Lipsey Barnett