Patents by Inventor Keith A. Helberg

Keith A. Helberg 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).

  • Method for producing glass fibers
    Patent number: 4033742
    Abstract: A cooling system for establishing and maintaining the running mode of a bushing used in production of glass fibers which embodies a heated orifice plate with closely spaced orifices and a bulk flow of upwardly directed gas (e.g., air), which cooling system comprises a series of opposing nozzles which provide a multiple air lance effect in starting up, clearing and maintaining the flow of individual glass fibers through each orifice.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: July 5, 1977
    Assignee: Kaiser Glass Fiber Corporation
    Inventors: Claude R. Nichols, Keith A. Helberg