Patents by Inventor Robert G. Casper

Robert G. Casper 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).

  • Apparatus and method for spinning filaments
    Patent number: 5262110
    Abstract: Apparatus and method are disclosed for spinning filaments from a material such as cellulose acetate dope. The filaments are spun from a spinnerette at the top of a vertically elongated spinning cabinet. Gas is first directed parallel to the filaments as they are spun. A short distance down the cabinet, gas is directed radially inwardly toward the filaments. The two flows of gas merge and flow parallel to the filaments to the bottom of the cabinet, where the gas is withdrawn radially outwardly from the filaments.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: November 16, 1993
    Assignee: Eastman Kodak Company
    Inventors: Albert E. Spaller, Jr., C. Kit Begley, Robert G. Casper, Shen S. Chen, Bobby D. Duncan, Glen R. Keith, Junior H. Landes II, Andrew E. McLeod