Patents by Inventor Ernest G. Lovgren

Ernest G. Lovgren 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).

  • Process and apparatus for producing uniform fibrous web at high rate of speed
    Patent number: 4475271
    Abstract: A method and apparatus is disclosed for producing high quality fibrous webs at high rates of speed. Fibers are fed to a rotating lickerin for opening, then to a rotating card cylinder for individualizing, and are then doffed into an air stream from which the fibers are condensed, as on a moving foraminous belt.
    Type: Grant
    Filed: April 29, 1982
    Date of Patent: October 9, 1984
    Assignee: Chicopee
    Inventors: Ernest G. Lovgren, Prashant K. Goyal