| Patents for E01B 3 - Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails (1,703) |
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| 12/03/1986 | EP0203307A2 Railway structure with Y-shaped steel sleepers and an asphalt support layer, and method for the realisation of this railway superstructure |
| 10/14/1986 | US4616395 Railroad track fixation method and apparatus |
| 09/02/1986 | US4609144 Railroad tie cover |
| 05/21/1986 | EP0181607A1 Device for fixing railroad rails on steel Y-sleepers |
| 04/22/1986 | US4583685 Rail anchoring |
| 03/05/1986 | EP0172810A1 Method of conferring load and deformation stability on railway tracks by means of concrete sleepers |
| 02/05/1986 | EP0170631A2 Components for railway lines on pre-fabricated reinforced concrete slabs without ballast |
| 02/04/1986 | US4568577 Transferring sketch from paper to transparency |
| 01/28/1986 | US4566629 Structure for fixing a rail to a tie |
| 11/27/1985 | EP0162406A2 Railway sleepers |
| 09/26/1985 | WO1985004203A1 Method of conferring load and deformation stability on railway tracks by means of concrete sleepers |
| 09/11/1985 | EP0154259A1 Crosstie |
| 09/11/1985 | EP0154143A2 Concrete sleeper having rail-fastening means |
| 07/09/1985 | CA1190200A1 Railroad tie cover |
| 05/15/1985 | EP0141795A1 Supporting element for railway rails reinforced with a discontinuous reinforcement |
| 04/16/1985 | US4511081 Rail anchoring clip and associated sleeper |
| 12/25/1984 | US4489884 Railroad tie cover |
| 09/11/1984 | CA1174029A1 Structural members comprised of composite wood material and having zones of diverse density |
| 08/29/1984 | EP0117028A1 Fastening railway rails |
| 07/19/1984 | WO1984002728A1 Fastening railway rails |
| 06/26/1984 | CA1169635A1 Concrete railroad crosstie casting and handling system |
| 11/29/1983 | US4417690 Steel railroad sleeper |
| 11/22/1983 | US4416419 Railway bed |
| 08/09/1983 | CA1151620A1 Steel railroad sleeper |
| 08/04/1983 | WO1983002631A1 Rail anchoring clip and associated sleeper |
| 04/26/1983 | US4381076 Dropped railroad tie for railway without ballast |
| 02/01/1983 | CA1140517A1 Low profile railroad ties, namely for ballastbess tracks |
| 12/01/1982 | EP0065660A2 A structural member made of composite wood material |
| 11/02/1982 | US4356968 Railroad tie cover |
| 10/26/1982 | US4355754 Structural members comprised of composite wood material and having zones of diverse density |
| 09/14/1982 | US4349150 Concrete sleeper with the fastening housing |
| 07/08/1982 | WO1982002167A1 Method for manufacturing railway sleepers made of concrete and elements used for the implementation thereof |
| 06/30/1982 | EP0054983A1 Method of manufacturing concrete railway ties and elements used for carrying it out |
| 06/15/1982 | CA1125719A1 Method for improving the vibration absorbtion of a railway track supported on a bed of ballast, a track structure obtained by applying such a method and sleepers for use with the method |
| 04/27/1982 | US4326669 Laminated wooden railroad crossite having exposed end-grain forming part of the load bearing surface |
| 04/21/1982 | EP0049879A1 Railway sleeper cover |
| 12/08/1981 | CA1113906A1 Center butt tie connector |
| 12/01/1981 | US4303199 Restored vibration isolation for railway tracks |
| 10/13/1981 | CA1110597A1 Concrete sleeper for track circuitry |
| 10/06/1981 | CA1110044A1 Molding fabrication of concrete railroad overpasses |
| 09/08/1981 | CA1108573A1 Railway tie collar |
| 09/01/1981 | US4286753 Thermosetting resin |
| 09/01/1981 | CA1108103A1 Rail mounting method and apparatus |
| 08/25/1981 | US4285115 Method of manufacturing railway sleepers |
| 07/28/1981 | US4280657 Concrete railroad track |
| 06/30/1981 | CA1103856A1 Timber preservative element and use thereof |
| 06/16/1981 | US4273740 Process and apparatus for manufacturing single piece railroad ties of prestressed concrete |
| 05/12/1981 | US4267085 Formed between railfoad ties and roadbed; prolongs cycle of maintenance work |
| 05/05/1981 | US4265400 Concrete sleeper for track circuitry |
| 04/21/1981 | US4262845 Concrete slab structure for railway track |
| 04/07/1981 | US4260104 Curvable track for model railroads |
| 03/24/1981 | CA1098093A1 Railway sleeper |
| 01/20/1981 | CA1094031A1 Concrete slab structure for railway track |
| 01/07/1981 | EP0021873A1 Block for railways limited in height, especially for ballastless railways |
| 01/07/1981 | EP0021248A1 Flexible track section for model railways and method for manufacturing it |
| 12/10/1980 | EP0019956A1 Fastening housing for a rail clamp and method of embedding such a housing in a concrete sleeper |
| 12/02/1980 | US4236671 Railroad rail holder |
| 11/11/1980 | US4232822 Method of and arrangement for correcting the height of railway upper structures |
| 10/21/1980 | US4229497 Composite module with reinforced shell |
| 09/09/1980 | US4221330 Center butt tie connector |
| 09/09/1980 | CA1085182A1 Composite module with reinforced shell |
| 09/04/1980 | WO1980001834A1 Electric oven,particularly arcoven,and process for manufacturing such oven |
| 08/12/1980 | US4216904 Device for fastening a railway track on sleepers disposed end to end |
| 06/10/1980 | CA1079243A1 Reinforced concrete tie with embedded rail clamp means |
| 06/03/1980 | CA1078800A1 Railway sleeper and a railway rail-and-fastening assembly employing it |
| 05/27/1980 | US4204660 Process of railroad tie concrete casting |
| 05/27/1980 | CA1078349A1 A device for attaching rails to a continuous girder |
| 05/20/1980 | US4203549 Railway sleeper |
| 05/13/1980 | US4202494 Rail mounting method and apparatus |
| 04/22/1980 | CA1076081A1 Rail clip assemblies |
| 04/22/1980 | CA1076080A1 Non-metallic-reinforced molded crosstie |
| 03/19/1980 | EP0008743A1 Method for improving the vibration absorption of a railway track supported on a bed of ballast and a track structure obtained by applying such a method |
| 03/04/1980 | US4191490 Prestressed concrete roadway |
| 02/12/1980 | CA1071600A1 Tramway and railway tracks having metal and reinforced concrete continuous and prefabricated structure |
| 01/23/1980 | EP0006870A1 Rail support with provision for ballast |
| 12/18/1979 | US4179067 Railway track hold-down hardware |
| 11/13/1979 | US4174066 Corrosion resistant self-aligning track configurations particularly adapted for railroad cars |
| 10/16/1979 | CA1064282A1 Device for anchoring fixing means in a concrete element |
| 06/26/1979 | CA1057256A1 Rail securing means |
| 06/19/1979 | CA1056784A1 Sleeper of steel or similar material |
| 05/29/1979 | US4156440 Hardenable thermoplastic |
| 05/01/1979 | CA1053631A1 Railroad tie |
| 04/24/1979 | US4150790 Reinforced molded lignocellulosic crosstie and railway assembly |
| 04/24/1979 | CA1053205A1 Synthetic railroad crosstie |
| 02/27/1979 | US4141499 Concrete railroad bed |
| 01/25/1979 | WO1979000031A1 Rail support with provision for ballast |
| 11/14/1978 | CA1042402A1 Wooden sleeper, particularly suitable for railway track |
| 10/24/1978 | US4121766 Railway tie collar |
| 09/12/1978 | US4113177 Composite railroad cross tie with rail support blocks |
| 08/22/1978 | US4108377 Non-metallic-reinforced molded crosstie |
| 08/15/1978 | US4106696 Sleeper of steel or similar material |
| 08/15/1978 | US4106694 Prefabricated rail base unit consisting of a plurality of projections and a single continuous slab |
| 08/08/1978 | US4105160 Rail joint bar for non-uniform rails |
| 08/08/1978 | US4105159 Composite railroad tie |
| 07/04/1978 | US4098460 Concrete unit prestressed using tendons stressed before concreting, more particularly a railway sleeper |
| 05/23/1978 | US4090665 Reinforced concrete tie with embedded rail clamp means |
| 04/25/1978 | US4085556 Device for anchoring fixing means in a concrete element |
| 04/11/1978 | US4083491 Synthetic railroad crosstie |
| 03/21/1978 | US4079889 Railroad track rail |
| 07/12/1977 | US4034913 Composite railroad tie |