Patents by Inventor Roger J. Bilen

Roger J. Bilen 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).

  • Internal blower for expanding cylindrical veil of mineral fibers and method of using same
    Patent number: 4670034
    Abstract: A downwardly moving cylindrical veil of mineral fibers is distributed to form a mineral fiber product by impinging on the interior of the veil jets of gas from an internal blower positioned within the veil to increase the angular velocity of the veil, thereby causing the veil tobreak up into an incoherent flow of mineral fibers.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: June 2, 1987
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Paul A. Goodridge, Roger J. Bilen, Farrokh Kaveh, David C. K. Lin
  • Rotary fiber forming method and apparatus
    Patent number: 4544393
    Abstract: A method and apparatus for centrifugal production of fibers comprises a rotatably mounted spinner for centrifuging streams of molten material and an annular blower for discharging attenuating gases having a component in a tangential direction opposite the direction of rotation of the spinner, and one or more turbulence generating members positioned beneath the spinner and mounted for rotation therewith.
    Type: Grant
    Filed: May 22, 1984
    Date of Patent: October 1, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Roger J. Bilen