Patents by Inventor Peter Duerolf

Peter Duerolf 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).

  • Method and apparatus for positioning a feeder needle, and feeder
    Patent number: 7860588
    Abstract: The invention relates to a method and an apparatus for positioning a feeder needle, and to a production line for optical components, in which a feeder needle of an apparatus for portioning fluid material, preferably softened glass, in particular of a needle feeder, has its position relative to a seat for the feeder needle recorded by means of a force-measuring device, and to further apparatuses which realize this method and to objects produced by the process.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: December 28, 2010
    Assignee: Schott AG
    Inventors: Ralf Bonitz, Peter Duerolf
  • Method and apparatus for positioning a feeder needle, and feeder
    Publication number: 20060010925
    Abstract: The invention relates to a method and an apparatus for positioning a feeder needle, and to a production line for optical components, in which a feeder needle of an apparatus for portioning fluid material, preferably softened glass, in particular of a needle feeder, has its position relative to a seat for the feeder needle recorded by means of a force-measuring device, and to further apparatuses which realize this method and to objects produced by the process.
    Type: Application
    Filed: June 1, 2005
    Publication date: January 19, 2006
    Inventors: Ralf Bonitz, Peter Duerolf