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| Number | Title | Issue Date |
| 6733635 | Method of repairing a coke oven buckstay and a moving device for use in such method A coke oven buckstay moving device and method which can be used to quickly, reliably, and smoothly repair buckstays compared to conventional methods and devices. The coke oven buckstay moving means includes a main car, a subcar, a frame, and securing means. The main... | 05/11/2004 |
| 6341563 | Door opening control apparatus A platform sensing and control system including a wireless sensor (10, 12) for sensing at least the presence of a platform (26) opposite a door (32) of a railcar and providing an output indication of at least a platform presence in response thereto, and a... | 01/29/2002 |
| 6286435 | Apparatus for lifting and shifting a long load A rail vehicle for transporting a long load over a railway route can have a depressed portion of the car body and a lift and shift apparatus mounted in the depressed portion which can vertically and horizontally adjust the long load on the rail vehicle. G... | 09/11/2001 |
| 4759682 | Vehicle entrance ramp The present invention relates to an extendible and retractable ramp device for a vehicle particularly concerned with the loading and unloading of handicapped person and which device particularly includes a power actuating mechanism disposed within the veh... | 07/26/1988 |
| 4273498 | Railway car trap door lift A railway car includes conventional steps leading from a lower station platform to the floor level in a vestibule. A lift platform adapted to receive a seat or wheel chair is provided to lift a handicapped person who has difficulty going up or down steps.... | 06/16/1981 |
| 4131209 | Vehicle entrance ramp A motor bus has a side door at its forward end which when opened accommodates laterally outward extension of a ramp from a normally stowed position below the floor of the bus, a portion of the ramp adjacent its outer end serving as a step for entering the... | 12/26/1978 |
| 4058228 | Passenger vehicle access stair and elevator apparatus A combination access stairstep and elevator means for use in a passenger vehicle entryway. In its retracted normal position a passenger elevator platform member projects freely into the entryway part of its width below passenger deck level to serve as an ... | 11/15/1977 |