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| Number | Title | Issue Date |
| 4332201 | Steering railway vehicle trucks Railway vehicle trucks having at least two wheel-sets, each with a live axle mounted in a respective pair of bearings, at least one axle bearing of one wheel-set being elastically interconnected with at least one axle bearing of the other wheelset through... | 06/01/1982 |
| 4133268 | Railway bogie-trucks and method of manufacturing same An improved railway stock railway rolling stock bogie truck includes a cross beam and a pair of spaced longitudinal side members with an asymmetrical cross-sectional configuration with the cross beam in alignment both with the bearing support and the side... | 01/09/1979 |
