with interlocking means to withstand horizontal forces

Patents Grantslast 30 patents

  • Information Patent Grant

    Ballastless track system

    • Patent number 9,758,932
    • Issue date Sep 12, 2017
    • Railway Engineering Research Institute of China Academy of Railway Sciences
    • Chunfang Lu
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Solid track comprising a concrete strip

    • Patent number 8,281,722
    • Issue date Oct 9, 2012
    • Max Bögl Bauunternehmung GmbH & Co. KG
    • Dieter Reichel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Double sleeper for Getrac A3 fixed track

    • Patent number 6,764,022
    • Issue date Jul 20, 2004
    • Pfleiderer Infrastrukturtechnik GmbH & Co. KG
    • Winfried Mohr
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Ballast-free permanent rail way having recessed tie with central fa...

    • Patent number 5,435,486
    • Issue date Jul 25, 1995
    • Walter Bau-Aktiengesellschaft
    • Rudolf Gerlach
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railroad roadway for high speed rail-mounted vehicles

    • Patent number 4,905,896
    • Issue date Mar 6, 1990
    • Dyckerhoff & Widmann Aktiengesellschaft
    • Josef Eisenmann
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3687366

    • Patent number 3,687,366
    • Issue date Aug 29, 1972
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents