Patents by Inventor Mark P. Marpert

Mark P. Marpert 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).

  • Joint for the transmission of torque from a first shaft to a second shaft
    Patent number: 5163877
    Abstract: Joint for transmission of the torque of a first shaft to a second shaft so that the second shaft additionally makes a lifting movement, and the angle between the axes of the two shafts is adjustable, characterized by two bolts mounted to be rotatable and axially movable, advantageously in a connector between the shafts, and the bolt axes or their shortest interval is outside the point of intersection of the axes of the first and second shaft or outside the shortest interval of these shafts.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: November 17, 1992
    Inventors: Heinrich Marpert, Mark P. Marpert