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| Number | Title | Issue Date |
| 7156319 | Concrete railroad tie with guide plates for the rail base A concrete railroad tie, especially a two-block railroad tie, with an elastic rail support for ballast and solid tracks, with guide plates with twisting-prevention devices disposed in the supporting region between the base of the rail and the lateral, raised shoulde... | 01/02/2007 |
| 6974087 | Railway tie plate A tie plate is provided for securing a rail to a railway tie. The tie plate has a base with a tie face opposite a rail face, opposite end faces extending between the tie and the rail faces, a gauge side opposite a field side with said gauge and field sides extending... | 12/13/2005 |
| 5096118 | Toggle tie plate rail fastening system A toggle tie plate rail fastening system is described for securing rails to wood cross-ties. A wear plate is secured to the upper surface of each of the cross-ties adjacent each end thereof. Each of the wear plates has a plurality of tubular toggles secur... | 03/17/1992 |
| 4925094 | Concrete railroad ties A concrete railroad tie has rail seats defined by plates, which are made from stainless steel or other non-corrodable metal or plastic, cast into the top surface of the tie at the rail seats. The stiffness of the plates should be less than that of the con... | 05/15/1990 |
| 4917295 | Tie plate rail fastening system A tie plate rail fastening system for securing rails to wood cross-ties is described comprising a wear plate positioned on the upper surface of each of the cross-ties adjacent the ends thereof. The wear plate has a plurality of teeth extending downwardly ... | 04/17/1990 |
| 4895302 | Tie plate rail fastening system A tie plate rail fastening system for securing rails to wood cross-ties is described comprising a wear plate positioned on the upper surface of each of the cross-ties adjacent the ends thereof. The wear plate has a plurality of teeth extending downwardly ... | 01/23/1990 |
| 4828172 | Tie plate rail fastening system A tie plate rail fastening system for securing rails to wood cross-ties is described comprising a wear plate positioned on the upper surface of each of the cross-ties adjacent the ends thereof. The wear plate has a plurality of teeth extending downwardly ... | 05/09/1989 |
| 4819869 | Toggle tie plate fastening system A toggle tie plate rail fastening system is described for securing rails to wood cross-ties. A wear plate is secured to the upper surface of each of the cross-ties adjacent each end thereof. Each of the wear plates has a plurality of tubular toggles secur... | 04/11/1989 |
| 4108378 | Railroad tie and tie plate with coacting grooves and projections that prevent spike killing of the ties A railroad tie and an assembly thereof with at least one tie plate wherein the wooden tie has rabbetted recesses formed in the top face thereof to receive the tie plates and these recesses are characterized by each having precut or machined grooves for re... | 08/22/1978 |
| 3957201 | Concrete railroad tie anchor structure An improved anchor structure for use with concrete railroad ties. A modular base plate is cast into the concrete tie with integral upwardly projecting shoulders extending from the base plate which complement it to present a seat to support a steel railroa... | 05/18/1976 |
