Patents by Inventor Heike Haarmann

Heike Haarmann 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).

  • Safety switching device and method for monitoring a hazardous area defined by motor-driven components
    Patent number: 7863780
    Abstract: The disclosure relates to a safety switching device for a hazardous area defined by motor-driven components, the device being switchable into at least two control stages, wherein in a first control stage at least some of the motor-driven components can be switched into a state of reduced risk potential and in at least one second control stage at least some of the motor-driven components can be shut off, and wherein the safety switching device comprises an apparatus for determining the position of the safety switching device inside the hazardous area.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: January 4, 2011
    Assignee: SICK AG
    Inventors: Georg Plasberg, Heike Haarmann, Matthias Elbert, Martin Wuestefeld, Claus Melder
  • Safety switching device and method for monitoring a hazardous area defined by motor-driven components
    Publication number: 20080272903
    Abstract: The invention relates to a safety switching device for a hazardous area defined by motor-driven components, the device being switchable into at least two control stages, wherein in a first control stage at least some of the motor-driven components can be switched into a state of reduced risk potential and in at least one second control stage at least some of the motor-driven components can be shut off, and wherein the safety switching device comprises an apparatus for determining the position of the safety switching device inside the hazardous area.
    Type: Application
    Filed: October 15, 2007
    Publication date: November 6, 2008
    Applicant: SICK AG
    Inventors: Georg Plasberg, Heike Haarmann, Matthias Elbert, Martin Wuestefeld, Claus Melder