Patents by Inventor Herbert Leonhardt

Herbert Leonhardt 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).

  • Guide bar assembly for a warp knitting machine
    Patent number: 4051698
    Abstract: A guide bar assembly for use in a warp knitting machine in which a plurality of ferromagnetic, tubular yarn carrier elements are disposed between two bar rails forming a guide bar and can be shifted longitudinally independently from each other. The elements are magnetically held in apertures between the bar rails which can be longitudinally shifted in opposite directions to shift the elements.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: October 4, 1977
    Inventor: Herbert Leonhardt