Patents by Inventor Alvin E. Lillmars

Alvin E. Lillmars 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).

  • Cutter for a moving strand
    Patent number: 4393736
    Abstract: A cutting device used in conjunction with an apparatus for processing a continuously advancing strand material is actuated by an air cylinder that is preloaded to full pressure before moving the blade to cut the strand. An air activated linkage releases the cutting blade to begin its travel under full operating pressure.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: July 19, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Thomas R. Clark, Alvin E. Lillmars, Elwood A. Roth, Alvin L. Schmick, Maurice C. Todd