Patents by Inventor Keith M. Nodolf

Keith M. Nodolf 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).

  • Enthalpy control apparatus for air conditioning
    Patent number: 3949607
    Abstract: A control apparatus responding to enthalpy or "total" heat content, temperature and moisture content, of air wherein a moisture responsive element changes in length and is reset by a temperature responsive element to control a switch with means to limit the effect of the moisture responsive element above certain levels of moisture so the switch is controlled only by temperature.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: April 13, 1976
    Assignee: Honeywell Inc.
    Inventor: Keith M. Nodolf