Patents by Inventor Keith Heyman

Keith Heyman 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).

  • Heat exchange coil cleaning apparatus
    Patent number: 7624470
    Abstract: A cleaning apparatus for cleaning a heat exchange coil includes a gas-dispensing member having a cavity for carrying a gas and at least one orifice in communication with the cavity. An actuating device which couples to the gas dispensing member and moves the gas dispensing member relative to a coil such that the gas dispensed from the gas dispensing member through the at least one orifice removes dust and debris from the coil. A timer initiates operation of the gas-dispensing member and the actuating device at given time intervals.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: December 1, 2009
    Inventor: Keith A. Heyman
  • Heat exchange coil cleaning apparatus
    Publication number: 20060037736
    Abstract: A cleaning apparatus for cleaning a heat exchange coil includes a gas-dispensing member having a cavity for carrying a gas and at least one orifice in communication with the cavity. An actuating device which couples to the gas dispensing member and moves the gas dispensing member relative to a coil such that the gas dispensed from the gas dispensing member through the at least one orifice removes dust and debris from the coil. A timer initiates operation of the gas-dispensing member and the actuating device at given time intervals.
    Type: Application
    Filed: August 17, 2004
    Publication date: February 23, 2006
    Inventor: Keith Heyman