Patents by Inventor Lothar Thomma

Lothar Thomma 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).

  • Method for forming of stitches and knitting machine for carrying out the method
    Patent number: 4197721
    Abstract: A method and apparatus for mechanical stitch formation with at least one continuous yarn or thread wherein a loop of yarn or thread is provided around a stitch forming needle, and this first loop is clamped at its distal end so as to be retained around the needle while the thread is drawn through this first loop so as to form a second loop engaging the first loop, whereupon the first loop is released and cast off of the needle while the needle passes through the second loop which is then clamped around the needle in preparation for a repeat operation for formation of successive stitches.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: April 15, 1980
    Inventors: Ulrich Hofmann, Lothar Thomma