Patents by Inventor Paul Esser

Paul Esser 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 and apparatus for the manufacture of chains with round links, having varying mechanical characteristics
    Patent number: 3961474
    Abstract: A method for producing a link chain in which some of the links have deformation characteristics differing from other links, and apparatus for producing the link chain in which stock material having the different deformation characteristics are sequentially fed to a link-forming means from flanking magazines. In a modified form means are provided for severing stock lengths from a continuous wire on either side of the link-forming means.
    Type: Grant
    Filed: August 28, 1974
    Date of Patent: June 8, 1976
    Assignee: Meyer, Roth & Pastor Maschinenfabrik GmbH
    Inventor: Paul Esser