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| Number | Title | Issue Date |
| 6901705 | Guide rail for a sliding closure having a guide groove with a groove filling device A sliding closure system comprising a frame and at least one slidable leaf member. The frame has a frame upper member and a frame lower member each being formed with at least one longitudinal groove. A groove filling device comprising an elastic member and an elonga... | 06/07/2005 |
| 6431462 | Railroad crossing spacers A concrete gauge panel spans the gap between two parallel railroad tracks. Two concrete field panels lead from the roadway surface to the railroad tracks, one panel on each side of the railroad tracks. A spacer sits between the concrete of the concrete fi... | 08/13/2002 |
| 6427925 | Prefabricated railway track system A system for embedding a pair of rails of a railway track comprises a pair of field panels adapted for positioning opposite each other at outer sides of the rails and a gauge panel adapted for positioning between the rails. Each field panel has a side sur... | 08/06/2002 |
| 6079630 | Railway grade crossing apparatus and method of installation A railway grade crossing apparatus comprises at least one rectangular gauge panel of precast concrete with resilient bumpers on opposing sides for closely fitting between the rails and rectangular field panels of precast concrete, each having a resilient ... | 06/27/2000 |
| 5806764 | Track In a track whose rails are laterally and downwardly supported on the rail outer side and on the rail inner side via elastic intermediate inserts (4, 6) by longitudinal carriers underneath the head portion (3), the rails (2) extend at a distance above the ... | 09/15/1998 |
| 5609294 | Railroad track assembly and method A structural arrangement for an embedded and sealed railroad track and a method for its installation to provide a gutter defined along the rails of such a railroad track extending along or across a street or highway with rail tops at pavement level. Rubbe... | 03/11/1997 |
| 5096117 | Railroad grade crossings A plurality of timbers connected to ties at a railroad grade crossing. Hooks are connected to some of the ties. When the timbers are disposed on the ties, the hooks are inserted into the timbers. Pins are disposed through the ties and through portions of ... | 03/17/1992 |
| 4947756 | Laying railway track Railway track is laid by supporting the rails in spacers above a pair of parallel flexible tubes, which are then filled with aggregate under pressure to contact the feet of the rails and to curl around the feet so that when set the rail is continuously su... | 08/14/1990 |
| 4771698 | Sensing system for a tracked vehicle transportation system A sensing system for use on a tracked vehicle transporation system forms a sensitive floor beneath the lip of a platform. The floor is made up of a plurality of metal plates mounted on spring supports so that they can be slightly depressed if an abnormal ... | 09/20/1988 |
| 4545527 | Railroad grade crossing A railroad grade crossing is provided with elastomeric decking pads presenting an upper, vehicular crossway substantially coplanar with the tops of the metallic rails, in turn, secured to the spaced cross ties therebeneath which rest on the roadbed of the... | 10/08/1985 |
| 4176789 | Railroad grade crossing platform and an end capping device therefor The exposed ends of railroad grade crossing platforms are protectively capped with elongate devices which provide ramps sloping downwardly and away from the surface of the platforms along the ends of the grade crossing. The ramps deflect air hoses, chains... | 12/04/1979 |
