Patents by Inventor Alfred Boes

Alfred Boes 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).

  • Combination double bottom block
    Patent number: 7722013
    Abstract: The invention relates to a combination double bottom hook block in which two pulley blocks (2, 3) each with a plurality of pulleys are connected to one another by means of a rocker (1), a load hook being mounted in a pivotable manner on the rocker. If use is made here of two lifting cables, each of these lifting cables is led over a pulley block (2, 3) and, in order to achieve the same loading capability if use is made of just one lifting cable, the latter is led, in addition, over a floating pulley (2) which is mounted between the two pulley blocks (2, 3), the two pulley blocks (2, 3) also being secured against tilting.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: May 25, 2010
    Assignee: Terex Demag GmbH
    Inventors: Hans-Peter Franzen, Alfred Boes
  • Combination double bottom block
    Publication number: 20090267039
    Abstract: The invention relates to a combination double bottom hook block in which two pulley blocks (2, 3) each with a plurality of pulleys are connected to one another by means of a rocker (1), a load hook being mounted in a pivotable manner on the rocker. If use is made here of two lifting cables, each of these lifting cables is led over a pulley block (2, 3) and, in order to achieve the same loading capability if use is made of just one lifting cable, the latter is led, in addition, over a floating pulley (2) which is mounted between the two pulley blocks (2, 3), the two pulley blocks (2, 3) also being secured against tilting.
    Type: Application
    Filed: August 24, 2006
    Publication date: October 29, 2009
    Applicant: Terex-Demag GmbH & Co. KG
    Inventors: Hans-Peter Franzen, Alfred Boes