Patents by Inventor Conrad Sagert

Conrad Sagert 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).

  • Crane control apparatus
    Patent number: 9212031
    Abstract: The present invention relates to a crane control apparatus for a crane where a load is suspended on a crane cable from a cable suspension point of the crane, comprising an observer for estimating at least the position and/or velocity of the load from at least one sensor input of a first sensor by using a physical model of the load suspended on the crane cable, whereby the physical model of the observer uses the load position and/or the load velocity as a state variable.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: December 15, 2015
    Assignee: Liebherr-Werk Nenzing GmbH
    Inventors: Klaus Schneider, Oliver Sawodny, Conrad Sagert, Ulf Schaper
  • CRANE CONTROL APPARATUS
    Publication number: 20130161279
    Abstract: The present invention relates to a crane control apparatus for a crane where a load is suspended on a crane cable from a cable suspension point of the crane, comprising an observer for estimating at least the position and/or velocity of the load from at least one sensor input of a first sensor by using a physical model of the load suspended on the crane cable, whereby the physical model of the observer uses the load position and/or the load velocity as a state variable.
    Type: Application
    Filed: August 27, 2012
    Publication date: June 27, 2013
    Applicant: Liebherr-Werk Nenzing GmbH
    Inventors: Klaus Schneider, Oliver Sawodny, Conrad Sagert, Ulf Schaper