Patents by Inventor George L. Vaughn

George L. Vaughn 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).

  • Making rounded clusters of fibers
    Patent number: 5218740
    Abstract: Ball-shaped and other rounded fiber clusters that have a density that may be controlled, as desired, with good uniformity of size and density, may be obtained from staple fiber that has been crimped mechanically, as well as from spirally crimped polyester staple fiber, by an new process and apparatus at a high throughput. The process including feeding a uniform layer of staple fiber onto a peripheral surface of a rotating main cylinder covered with card clothing and rolling the fiber into rounded clusters.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: June 15, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Adrian C. Snyder, George L. Vaughn
  • Fiber transfer method
    Patent number: 4257148
    Abstract: A fiber transfer apparatus is illustrated including a doffing and feeding apparatus wherein opened fibers after being condensed are doffed by the action of a doffing member and a drafting roll prior to being passed over the nose of a fixed plate from where they are immediately subjected to a carding action.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: March 24, 1981
    Assignee: John D. Hollingsworth on Wheels, Inc.
    Inventors: George L. Vaughn, John D. Hollingsworth