Patents by Inventor Franz I. Berghammer

Franz I. Berghammer 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).

  • Hydraulic fitting nut lock
    Patent number: 5094491
    Abstract: A fluid connector fitting nut lock includes a sleeve that fits down over the nut and that has an integral locking mechanism to fix the sleeve in a raised position that allows the nut to be turned and in a locked position that prevents the nut from backing off due to vibration or other external forces. The integral locking mechanism eliminates the need for a separate lockwire or clipwire.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: March 10, 1992
    Assignee: VSI Corporation
    Inventors: Franz I. Berghammer, Douglas Pyle, Tai H. Do, Vahid Zare-Ardestani, Wilhelm F. Schepergerdes, Thomas E. Harbin