Patents by Inventor Helmut Spaeth

Helmut Spaeth 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).

  • Patent number: 9957141
    Abstract: The present disclosure relates to a method for determining the admissible load capacity of a crane, in which the load capacity is determined in dependence on at least one first and one second parameter and which comprises a first step, in which the load capacity for the value of the first parameter with different values of the second parameter is determined by calculation or by interpolation or extrapolation on the basis of known values of the load capacity with specific values of the first parameter, and which comprises a second step, in which the determination of the load capacity for the second parameter is performed on the basis of the values of the load capacity determined in the first step for different values of the second parameter by calculation or by interpolation or extrapolation.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: May 1, 2018
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventors: Peter Abel, Helmut Spaeth
  • Patent number: 9126812
    Abstract: The present disclosure relates to a method for determining the admissible load capacity of a crane, in which the load capacity is determined in dependence on at least one first and one second parameter and which comprises a first step, in which the load capacity for the value of the first parameter with different values of the second parameter is determined by calculation or by interpolation or extrapolation on the basis of known values of the load capacity with specific values of the first parameter, and which comprises a second step, in which the determination of the load capacity for the second parameter is performed on the basis of the values of the load capacity determined in the first step for different values of the second parameter by calculation or by interpolation or extrapolation.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: September 8, 2015
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventors: Peter Abel, Helmut Spaeth
  • Patent number: 9120653
    Abstract: The present invention relates to an angle-related method of monitoring crane safety during the setup procedure of a crane, wherein the crane has a sensor system and a crane control and the crane control receives one or more measured values from the sensor system during the setup procedure and compares the measured value or values received with at least one corresponding limit value and triggers a measure on an exceeding and/or falling below of the limit value or values.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: September 1, 2015
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventors: Roland Bohnacker, Max Kenzelmann, Helmut Spaeth
  • Publication number: 20120312767
    Abstract: The present invention relates to an angle-related method of monitoring crane safety during the setup procedure of a crane, wherein the crane has a sensor system and a crane control and the crane control receives one or more measured values from the sensor system during the setup procedure and compares the measured value or values received with at least one corresponding limit value and triggers a measure on an exceeding and/or falling below of the limit value or values.
    Type: Application
    Filed: June 11, 2012
    Publication date: December 13, 2012
    Applicant: Liebherr-Werk Ehingen GmbH
    Inventors: Roland Bohnacker, Max Kenzelman, Helmut Spaeth
  • Publication number: 20100250153
    Abstract: The present disclosure relates to a method for determining the admissible load capacity of a crane, in which the load capacity is determined in dependence on at least one first and one second parameter and which comprises a first step, in which the load capacity for the value of the first parameter with different values of the second parameter is determined by calculation or by interpolation or extrapolation on the basis of known values of the load capacity with specific values of the first parameter, and which comprises a second step, in which the determination of the load capacity for the second parameter is performed on the basis of the values of the load capacity determined in the first step for different values of the second parameter by calculation or by interpolation or extrapolation.
    Type: Application
    Filed: June 9, 2010
    Publication date: September 30, 2010
    Applicant: LIEBHERR-WERK EHINGEN GMBH
    Inventors: Peter Abel, Helmut Spaeth
  • Patent number: 7395940
    Abstract: The present disclosure relates to a method of operating a crane whose safe working load depends on one or more changeable parameters, with the change of at least one of the parameters being made such that the speed of the parameter change is reduced continuously or step-wise before a parameter value is reached at which the safe working load corresponds to the actual working load.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: July 8, 2008
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventors: Peter Abel, Helmut Spaeth
  • Publication number: 20070023377
    Abstract: The present disclosure relates to a method of operating a crane whose safe working load depends on one or more changeable parameters, with the change of at least one of the parameters being made such that the speed of the parameter change is reduced continuously or step-wise before a parameter value is reached at which the safe working load corresponds to the actual working load.
    Type: Application
    Filed: July 26, 2006
    Publication date: February 1, 2007
    Inventors: Peter Abel, Helmut Spaeth
  • Publication number: 20070027613
    Abstract: The present disclosure relates to a method for determining the admissible load capacity of a crane, in which the load capacity is determined in dependence on at least one first and one second parameter and which comprises a first step, in which the load capacity for the value of the first parameter with different values of the second parameter is determined by calculation or by interpolation or extrapolation on the basis of known values of the load capacity with specific values of the first parameter, and which comprises a second step, in which the determination of the load capacity for the second parameter is performed on the basis of the values of the load capacity determined in the first step for different values of the second parameter by calculation or by interpolation or extrapolation.
    Type: Application
    Filed: July 26, 2006
    Publication date: February 1, 2007
    Inventors: Peter Abel, Helmut Spaeth