Patents by Inventor Jay J. Schmidt

Jay J. Schmidt 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).

  • Direct gas-fired heating and ventilation system with passive control damper
    Patent number: 5915960
    Abstract: A gas-fired heating and ventilation system includes a blower which draws air through a recirculation damper from a building and through a direct gas-fired burner from a fresh air inlet. A passive control damper is mounted to bypass air around the burner and to thereby regulate the air flow through the burner for optimum combustion over a wide range of operating conditions.
    Type: Grant
    Filed: October 13, 1997
    Date of Patent: June 29, 1999
    Assignee: Greenheck Fan Corporation
    Inventors: Chris B. Check, Jay J. Schmidt, Bruce L. Knieriem