Patents by Inventor Ian F. Pollard

Ian F. Pollard 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).

  • Control apparatus
    Patent number: 4586893
    Abstract: The invention is particularly applicable to combustion control apparatus for burners, having a motor-controlled fuel value, and a motor-controlled damper. Coarse control of the damper position is provided by a mechanical profiler, and a trim motor provides fine control of the damper. Overall, the air or fuel is controlled continuously by an up to the minute control signal corresponding to the instantaneous burn rate.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: May 6, 1986
    Inventors: Michael J. Somerville, Ian F. Pollard, William J. Walker