Patents Assigned to J. F. Walton & Co., Inc.
  • Duct cleaning apparatus
    Patent number: 5072487
    Abstract: A method and apparatus for cleaning the interior of ductwork or similar conduit from within, the apparatus comprising a small, pneumatically powered and controlled carriage of a size maneuverable inside the duct, with nozzle means provided for directing cleaning and disinfecting fluids, under pressure, at the walls of the duct, to execute a method of cleaning and disinfecting.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: December 17, 1991
    Assignee: J. F. Walton & Co., Inc.
    Inventor: James F. Walton
  • Duct cleaning apparatus
    Patent number: 5020188
    Abstract: A method and apparatus for cleaning the interior of ductwork or similar conduit from within, the apparatus comprising a small, pneumatically powered and controlled sled of a size maneuverable inside the duct, with nozzle means provided for directing cleaning and disinfecting fluids, under pressure, at the walls of the duct, to execute a method of cleaning and disinfecting.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: June 4, 1991
    Assignee: J. F. Walton & Co., Inc.
    Inventor: James Walton