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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7320620 | Electrical network-powered hand-held power tool An electrical network-powered hand-held power tool (2) includes a connection device for connecting the network cable with a power tool cabling and arranged on through-opening (23) through which a network cable (6) projects, with the connection d... | 01/22/2008 |
| 7206727 | Method for designing generalized spirals, bends, jogs, and wiggles for railroad tracks and vehicle guideways A prior method for designing transition curves for railroad tracks and other vehicle guideways begin with a choice of a roll function representing a functional form for variation of the track or guideway roll or cant angle as a function of distance and requires the ... | 04/17/2007 |
| 7124692 | Overhead suspended transportation system and method An overhead transportation system includes a support structure positioning a running surface above ground level for operating a truck along the running surface. A car body is suspended from a beam or chassis carried by the truck in such a manner to place a center of... | 10/24/2006 |
| 6155177 | Model train system with improved banking characteristics A model railway system with improved banking characteristics 10 comprising a series of track sections 16, 18 joined end-to-end to form a continuous track assembly 12 and a modular trestle assembly 32 to elevate the track assembly 12. The trestle assembly ... | 12/05/2000 |
| 5988519 | Precast concrete curved grade crossing with restraining rail A precast concrete curved grade crossing includes a plurality of base members, each of which has a central recess formed in the upper surface thereof. The central recess receives a plurality of center panels. The plurality of base members and center panel... | 11/23/1999 |
| 5529241 | Model railway track and method of assembling it An improved rail and crosstie trackage assembly for toy trains that includes three rails slidingly fastened to a series of ties the underside of which have slots to receive two elongated reinforcing rods which are fastened thereto by bonding first one rod... | 06/25/1996 |
| 5174211 | Panel track delivery system A system for the laying of panel track that includes a plurality of panel tracks, a railroad car containing the panel tracks, and a panel track lifter positioned in the railroad car for lifting the panel tracks from the railroad car and for placing the pa... | 12/29/1992 |
| 5114073 | Wheel and rail assembly A laterally stable and self-turning wheel and rail assembly. The curved rolling surfaces of the wheels bear against curved contact surfaces of the rails such that centrifugal force causes lateral translation of the wheels on the rails, thereby increasing ... | 05/19/1992 |
| 4357877 | Toy train An electric motor driven toy train is disclosed which has a novel wheel and track assembly for minimizing slippage and avoiding binding between the train's wheels and the track as the train goes around a curve section of the track. The train's wheels are ... | 11/09/1982 |
| 4230043 | Railway car wheelset and rails therefore An improved railway car wheelset having a novel wheel configuration that permits greatly improved performance on existing and improved track. This means that substantially higher rolling speeds can be achieved without loss of stability and while maintaini... | 10/28/1980 |
