Patents by Inventor Ulf C. Rilbe

Ulf C. Rilbe 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 between the lower portion and the main portion of a loading crane post and a method of providing such a joint
    Patent number: 4170854
    Abstract: An improved joint and method of providing such a joint between the upper and lower portions of a rotatably driven crane post, comprising a sleeve-shaped member formed internally with screw threads and provided at the lower end of the upper position, a pin provided at the upper part of the lower post portion and formed externally with screw threads matching the sleeve member threads, and a collar on the lower post portion below the pin against which collar the sleeve-shaped member is pressed upon screwing together of the lower and upper post portions to form said joint.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: October 16, 1979
    Assignee: HIAB-FOCO Aktiebolag
    Inventors: Jan B. Palmcrantz, Ulf C. Rilbe