Patents by Inventor Eric KONIJN

Eric KONIJN 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).

  • ROTARY TOWER CRANE HAVING A TOWER MAST THAT CONSISTS OF A PLURALITY OF TOWER SECTIONS
    Publication number: 20210323797
    Abstract: The invention relates to a rotary tower crane (10) having a tower mast (2) at the upper end of which a jib (8) is arranged, at least part of the tower mast being formed by at least three parallel tower sections (7) arranged next to one another.
    Type: Application
    Filed: June 14, 2019
    Publication date: October 21, 2021
    Applicant: LIEBHERR-WERK BIBERACH GMBH
    Inventor: Eric KONIJN
  • Crane having a collapsible jib
    Patent number: 11040860
    Abstract: The invention relates to a crane comprising a tower and a jib, wherein the jib rests on the tower and is fixed on the tower when the crane is in an inoperative position.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: June 22, 2021
    Assignee: Liebherr-Werk Biberach GmbH
    Inventor: Eric Konijn
  • Tower crane
    Patent number: 10934140
    Abstract: The present invention relates to a tower crane, in particular a revolving tower crane, comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at the tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up the load and at least one counter-boom hoist rope is guided over the counter-boom to take up a balance weight.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 2, 2021
    Assignee: LIEBHERR WERK BIBERACH GMBH
    Inventor: Eric Konijn
  • Method for transferring a tower crane and a frame and take-up mechanism therefor
    Patent number: 10486947
    Abstract: The present invention relates to a method for transferring a tower crane with a mobile crane, in particular crawler crane, wherein the mounted tower crane is lifted by means of the lifting cable of the mobile crane, in order to transfer the same to the target site, and the tower crane is stabilized by means of one or more connecting points between mobile crane boom and crane tower.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 26, 2019
    Assignee: Liebherr-Werk Biberach GmbH
    Inventor: Eric Konijn
  • CRANE HAVING A COLLAPSIBLE JIB
    Publication number: 20190315603
    Abstract: The invention relates to a crane comprising a tower and a jib, wherein the jib rests on the tower and is fixed on the tower when the crane is in an inoperative position.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 17, 2019
    Inventor: Eric KONIJN
  • TOWER CRANE
    Publication number: 20190256330
    Abstract: The present invention relates to a tower crane, in particular a revolving tower crane, comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at the tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up the load and at least one counter-boom hoist rope is guided over the counter-boom to take up balance weight.
    Type: Application
    Filed: September 12, 2017
    Publication date: August 22, 2019
    Inventor: Eric KONIJN
  • METHOD FOR TRANSFERRING A TOWER CRANE
    Publication number: 20180282135
    Abstract: The present invention relates to a method for transferring a tower crane with a mobile crane, in particular crawler crane, wherein the mounted tower crane is lifted by means of the lifting cable of the mobile crane, in order to transfer the same to the target site, and the tower crane is stabilized by means of one or more connecting points between mobile crane boom and crane tower.
    Type: Application
    Filed: November 9, 2015
    Publication date: October 4, 2018
    Inventor: Eric KONIJN