Patents by Inventor William Caugherty

William Caugherty 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).

  • Electrically heated nozzle for die casting
    Patent number: 5315686
    Abstract: An electrically heated nozzle for use in injection molding is positionable between an injection apparatus and a die in an injection molding operation. The disclosed nozzle is formed in three sections an end cap integrally formed with a sleeve, a housing surrounding the sleeve, and a nozzle tip also surrounding the sleeve forwardly of the housing. A coil of electrical resistance heating wire is wrapped around the sleeve inside the housing. A control box is provided for varying the current flow to the coil heater wire.
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: May 24, 1994
    Inventors: William Caugherty, Harold Booton