Patents by Inventor Hardo Berentzem

Hardo Berentzem 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).

  • Needle for knitting machines and method for making same
    Patent number: 4417454
    Abstract: A needle for a knitting machine comprising a needle shank having a needle foot thereon which has a substantially rectangular cross section and at least one longitudinal groove formed in one side face thereof. The invention also relates to a method for producing such a needle.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: November 29, 1983
    Assignees: Theodor Groz & Sohne, Ernst Becker & Nadelfabrik Commandit-Gesellschaft
    Inventor: Hardo Berentzem