Patents by Inventor Norbert Leiner

Norbert Leiner 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).

  • Suspension extraction device
    Patent number: 8944184
    Abstract: The present invention concerns a device for proving the quality of a jet grouting body. Such a jet grouting body is produced by means of a drilling and grouting linkage assembly. An extraction device according to the invention for extracting a suspension from such a jet grouting body comprises: a first segment with a cavity comprising a fluid, in particular a liquid, in which a first chamber is provided, the volume of which can be modified and which is connected with an opening for extracting a specimen, and a further segment which is intended to receive the fluid from the cavity. By receiving the fluid in the further segment, the volume of the first chamber can be enlarged; furthermore the extraction device can be integrated in a drilling and grouting linkage assembly.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: February 3, 2015
    Assignee: GuD Geotechnik und Dynamik GmbH
    Inventors: Norbert Leiner, Fabian Kirsch, Kerstin Boerner, Kerstin Deterding, Juergen Appelius, Josef Patron, Martin Staudt, Nikolaus Schneider
  • SUSPENSION EXTRACTION DEVICE
    Publication number: 20130064610
    Abstract: The present invention concerns a device for proving the quality of a jet grouting body. Such a jet grouting body is produced by means of a drilling and grouting linkage assembly. An extraction device according to the invention for extracting a suspension from such a jet grouting body comprises: a first segment with a cavity comprising a fluid, in particular a liquid, in which a first chamber is provided, the volume of which can be modified and which is connected with an opening for extracting a specimen, and a further segment which is intended to receive the fluid from the cavity. By receiving the fluid in the further segment, the volume of the first chamber can be enlarged; furthermore the extraction device can be integrated in a drilling and grouting linkage assembly.
    Type: Application
    Filed: August 9, 2012
    Publication date: March 14, 2013
    Applicant: GuD Geotechnik und Dynamik GmbH
    Inventors: Norbert Leiner, Fabian Kirsch, Kerstin Boerner, Kerstin Deterding, Juergen Appelius, Josef Patron, Martin Staudt, Nikolaus Schneider