Patents by Inventor Robert Prager

Robert Prager 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).

  • Production of paper sticks
    Patent number: 12059865
    Abstract: The invention relates to paper processing, namely the processing of a paper web or a paper web section in order to form a paper stick. The processing is carried out in multiple process stages, including storing the paper web, stretching the paper web, controlling/regulating the guide for the lateral edge, conveying the paper web, folding the paper web, rolling, adding an additive, cutting, removing the remaining paper web, separating the paper sticks, drying the sticks, and/or post-treating the sticks.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: August 13, 2024
    Assignee: SETTER GMBH & CO. PAPIERVERARBEITUNG
    Inventors: Robert Prager, Leo Wins, Roland Hülkenberg
  • PRODUCTION OF PAPER STICKS
    Publication number: 20220314570
    Abstract: The invention relates to paper processing, namely the processing of a paper web or a paper web section in order to form a paper stick. The processing is carried out in multiple process stages, including storing the paper web, stretching the paper web, controlling/regulating the guide for the lateral edge, conveying the paper web, folding the paper web, rolling, adding an additive, cutting, removing the remaining paper web, separating the paper sticks, drying the sticks, and/or post-treating the sticks.
    Type: Application
    Filed: August 26, 2020
    Publication date: October 6, 2022
    Inventors: Robert Prager, Leo Wins, Roland Hülkenberg
  • Cotton buds and swabs for medical use
    Patent number: 6641551
    Abstract: The invention relates to cotton buds and to swabs for medical use. The inventive buds or swabs are characterized in that they are extruded and provided with a continuous inner web. Said inner web may be linked with the inner surface of the buds or swabs by webs that are produced of the same material. The invention provides buds or swabs that are slightly less rigid while guaranteeing good working properties and a good usability. At the same time, their weight and the material required is considerably reduced.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: November 4, 2003
    Inventor: Robert Prager