Patents by Inventor Ulrich Dörzbach

Ulrich Dörzbach 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).

  • Method and apparatus for reeving a hoisting cable
    Patent number: 8616530
    Abstract: The invention relates to a method and to an apparatus for reeving a hoisting cable of a crane, wherein the load to be transported can be suspended from a lower hook block (3), which is held by the hoisting cable (12), from single-loom to double-loom and from double-loom to triple-loom mode, in which an auxiliary cable and/or a chain are utilized such that the weight of the lower hook block causes the hoisting cable to be pulled around the respective roller.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: December 31, 2013
    Assignee: Wolffkran AG
    Inventors: Wolfgang Ingelfinger, Ulrich Dörzbach
  • METHOD AND APPARATUS FOR REEVING A HOISTING CABLE
    Publication number: 20120061634
    Abstract: The invention relates to a method and to an apparatus for reeving a hoisting cable of a crane, wherein the load to be transported can be suspended from a lower hook block (3), which is held by the hoisting cable (12), from single-loom to double-loom and from double-loom to triple-loom mode, in which an auxiliary cable and/or a chain are utilized such that the weight of the lower hook block causes the hoisting cable to be pulled around the respective roller.
    Type: Application
    Filed: February 24, 2010
    Publication date: March 15, 2012
    Inventors: Wolfgang Ingelfinger, Ulrich Dörzbach
  • JIB BOOM ROTATING TOWER CRANE
    Publication number: 20100084358
    Abstract: The invention relates to a jib boom rotating tower crane, wherein the counterweight/pinnacle system is divided into three trellises, a rotating frame trellis, a counterweight trellis, and a pinnacle trellis, wherein the counterweight trellis has a common side with each of the pinnacle trellis and the rotating frame trellis. The pinnacle trellis preferably comprises a beam to which a pulley block with a reeved lull cable can be attached.
    Type: Application
    Filed: February 14, 2008
    Publication date: April 8, 2010
    Inventors: Thomas Herse, Ulrich Dörzbach