Patents by Inventor Tomas Bergk

Tomas Bergk 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).

  • Rail expansion device
    Patent number: 8302879
    Abstract: Rail expansion device having stock and tongue rails which can be displaced longitudinally with respect to one another and bear against one another transversely with respect to the longitudinal direction of the rails under the application of force, wherein a holder releasably holds the tongue rail at a distance from the region thereof which bears against the stock rail, and wherein the tongue rail in the holder is non-positively and positively connected to a standard rail passing into it or to a section thereof or to a section of the holder having a profile which merges with that of the standard rail.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: November 6, 2012
    Assignees: Voestalpine BWG GmbH & Co. KG, VAE GmbH
    Inventors: Thomas Christ, Tomas Bergk
  • RAIL EXPANSION DEVICE
    Publication number: 20100193597
    Abstract: Rail expansion device having stock and tongue rails which can be displaced longitudinally with respect to one another and bear against one another transversely with respect to the longitudinal direction of the rails under the application of force, wherein a holder releasably holds the tongue rail at a distance from the region thereof which bears against the stock rail, and wherein the tongue rail in the holder is non-positively and positively connected to a standard rail passing into it or to a section thereof or to a section of the holder having a profile which merges with that of the standard rail.
    Type: Application
    Filed: September 3, 2008
    Publication date: August 5, 2010
    Applicants: VOESTALPINE BWG GMBH & CO. KG, VAE GMBH
    Inventors: Thomas Christ, Tomas Bergk