Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4690071 | Truss end structure for stub sill hopper cars In a stub sill type railway hopper car the shear plate is eliminated and a truss arrangement is located in the end structure resulting in less weight.... | 09/01/1987 |
| 4681041 | Lightweight center beam railroad car A freight carrying railroad car including a body supported at each end by wheel-containing trucks; the body having a vertical center beam extending the length of the car between bulkheads at each end of the car; the center beam having a center sill, a top... | 07/21/1987 |
| 4647101 | Assemblable freight wagon A freight wagon is assembled from a set of building blocks together forming a superstructure mounted on a skeletal underframe having at least one axial beam and an upper surface with a modular bearing pattern. The building blocks are selected from a set o... | 03/03/1987 |
| 4636130 | Railroad track trailer A railroad track trailer for carrying replacement rail sections along a railroad track, which reduces the problems of having a trailer which will tend to jump off the track, when going around curves, and which includes support systems that ease the abilit... | 01/13/1987 |
| 4623189 | Open sided trailer An open sided trailer construction in which a roof structure (4) is supported between front and rear frames (30,31) by a central fore and aft spine or web (5,21); the spine or web has lateral supports (8,26,27) extending either side of the web or spine wh... | 11/18/1986 |
| 4562633 | Railway box car conversion to highway trailer-carrying flatcar and method of accomplishing it A railway flatcar for carrying a highway trailer, the flatcar having been converted from a conventional railway box car. The sides, ends and roof of a conventional box car are cut and removed therefrom substantially at the floor line. The side sill assemb... | 01/07/1986 |
| 4543887 | Center beam railroad freight car A freight carrying railroad car comprising a body supported at each end by wheel-containing trucks; the body having a vertical center beam extending longitudinally the length of the car between bulkheads at each end of the car; the center beam comprising ... | 10/01/1985 |
| 4478155 | Railway container and car An improved container for bulk cargo is provided with a peripheral wall, a top, and a bottom. The top defines a longitudinally extending central ridge and the bottom defines two spaced, parallel, longitudinally extending skirts separated by a central rece... | 10/23/1984 |
| 4397601 | Convertible rail-highway vehicle The present invention relates to a dismountable car for the technical coordination of rail-highway transport, wherein the car is adapted to support two identical loads and its chassis is in two elements respectively borne by the end bogies and provided wi... | 08/09/1983 |
| 4368673 | Distribution means for partition sheet assembly A partition sheet structure for covered hopper railway cars providing for even fill of commodity between compartments. The structure facilitates the filling operation, and prevents buckling caused by the uneven fills of the cars, while allowing the partit... | 01/18/1983 |
| 4359002 | Railway car corner post The subject invention relates to the corner construction of a railway car, wherein the end wall, vertical reinforcing plate, side wall corner post and side plate are arranged with associated parts in a manner permitting an assembly without rotation of the... | 11/16/1982 |
| 4356776 | Corner connector for open top rail cars Disclosed is a corner connection for open top type rail cars such as gondolas, hoppers, etc. The top side chords of the rail cars have plates mounted to the upper and lower surfaces thereof which extend beyond the end of the top side chords. Circular open... | 11/02/1982 |
| 4353314 | Box car corner post arrangement The subject invention relates to the corner construction of a railway car, wherein the end wall, vertical reinforcing plate, side wall corner post and side plate are arranged with associated parts in a manner permitting an assembly without rotation of the... | 10/12/1982 |
| 4345524 | Load carrying vehicle and track therefor A structure for a load carrying vehicle and the track therefor. The load carrying vehicle includes a load carrying platform and a pair of side plates, one plate located adjacent to each of the platform sides. The side plates are structurally weakened, tha... | 08/24/1982 |
| 4275663 | Corrugated vehicle underframe A load carrying vehicle such as a truck trailer or a railroad car has a generally flat, horizontal loading surface which is supported by an underframe which in turn is mounted to and carried by wheel assemblies, kingpin-saddle plate arrangement and the li... | 06/30/1981 |
