Patents by Inventor Josef F. Volkman

Josef F. Volkman 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).

  • Inherently torque-limited nut
    Patent number: 4068555
    Abstract: An inherently torque-limited nut including a nut body having an internal shank-receiving threaded opening to engage a mating thread on a shank. A drive ring is held to the nut body by engagement means and includes inherent limiting means which limit the torque which can be applied to the drive ring by failing at a predetermined torque.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: January 17, 1978
    Assignee: Hi-Shear Corporation
    Inventor: Josef F. Volkman