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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7874527 | Fastening rail in railway slide chair assembly A rail fastening apparatus fastens an inner stock rail in a railway slide chair assembly. The apparatus includes a base plate. The base plate has on one face a rail seat region on which the inner stock rail sits when the slide chair assembly is in use. A resilient r... | 01/25/2011 |
| 7766283 | Device for displacing a tongue blade in addition to a height-adjustable roller device The invention relates to a device (1) which is used to lift and displace the tongue blade (2) of a rail (6), comprising at least two rollers (12, 14) whereby the axes thereof are arranged in an essentially parallel manner in relation to a... | 08/03/2010 |
| 7285753 | Heating system for use in on-board kitchens in means of transport and a method for heating food on board means of transport, in particular aircraft For use on board a mobile means of transport (eg. aircraft, bus, ship), a heating system and method are described which lead to a reduction of peak demand in the on-board kitchen energy supply system relating to the integrated heating appliances for the warming or h... | 10/23/2007 |
| 7216558 | Wheel sensor assembly for rail base mounting A rail-mounted, wheel-sensing system is shown having a wheel sensor and a rail mounting platform. The system includes a rugged steel rail clamp including two blocks mounted on the base of the rail by a pair of bolt extending under the rail. One block is connected to... | 05/15/2007 |
| 7185860 | Tongue switch A modular tongue switch assembly comprises a tongue pivotally connected to a slide surface, held down by a pivot retainer. The slide surface consists of slide plate sections removably attached to corresponding bed plate sections, which are in turn welded onto a base... | 03/06/2007 |
| 7063293 | Rolling device for a displaceable cross frog In a roller device (6,7) for a movable point of frog (1), including a sliding strip (18) and at least one roller (11) and at least one roller bearing (12) fixed to a stationary part of the switch, the roller(s) (11) is/are m... | 06/20/2006 |
| 6997419 | Adjustable gage plate assembly An adjustable gage plate assembly having a pair of gage plate ends each with rail seats that are connected at their inner ends to swivel slide plates of an adjustment assembly which enables the gage plate ends to be moved laterally and angularily relative to each ot... | 02/14/2006 |
| 6955326 | Tongue switch A modular tongue switch assembly comprises a tongue pivotally connected to a slide surface, held down by a pivot retainer. The slide surface consists of slide plate sections removably attached to corresponding bed plate sections, which are in turn welded onto a base... | 10/18/2005 |
| 6464177 | Switch tongues With a device for switching switch tongues the tongue tip of which lies on a roller plane of a slide chair, the switch tongue can be switched more easily when the front roller (7a) of a roller pair (6) is positioned lower than the rear roller (7b).... | 10/15/2002 |
| 6305614 | Gauge plate and switch rod insulators A T-shaped electrically insulated member for securing to rails having electric current passing therethrough. The electrically insulated rail member includes a metallic core and an electrically insulating material encasing the metallic core. The electrical... | 10/23/2001 |
| 6189840 | Roller device for displacement of railroad switching rails A `ROLLER DEVICE FOR DISPLACEMENT OF RAILROAD SWITCHING RAILS` comprising a basic structure (10), provided in its end with a stylized horizontally-S-shaped laminar locking rib (1), the structure (10) being centrally provided with a pair of trapezium-shape... | 02/20/2001 |
| 5899417 | Device for securing stock rails in railway switches In a device for securing stock rails in railway switches comprising a bearing plate (2) for the stock rail (1), a slide chair (3) for the switch blade and an elongate spring element (6) for holding down the rail foot (1), the spring element (6) is inserta... | 05/04/1999 |
| 5628480 | Switch blade rolling device A switch blade rolling device has a suspended rolling support on which the switch blade is moved, a body provided with a hook, side parts, a transverse end wall with an end opening and a bottom transverse wall with a bottom opening. The clamping claw is a... | 05/13/1997 |
| 5622340 | Rail switch point assist apparatus A rail switch point assist apparatus includes an elongated main member having an outward end removably and adjustably connected to the railroad track running rail and the inner end adjustably connected to a support member extending between a pair of ties.... | 04/22/1997 |
| 5582371 | Rail flange securement clamp A rail flange securement clamp for adjustably mounting a switch point roller assist apparatus on a railroad rail includes a base plate and a top plate, the top plate generally upwardly spaced from the base plate and an adjustable connection device extendi... | 12/10/1996 |
| 5562267 | Cross-ties for railroad track systems A box sleeper (1), characterized by a steel box-like sleeper section member (5) which has a cross-sectional width (15) and a cross-sectional height (16) matching that of a normal concrete or wooden sleeper and has an open part (31) on top and is closable ... | 10/08/1996 |
| 5509626 | Railroad track switch A railroad track switch has tongue rails which pivot relative to fixed stock rails and rolls onto which the tongue rails move when pivoted away from the stock rails. The rolls are carried at opposite ends in spring supports and each roll is mounted for le... | 04/23/1996 |
| 5501418 | Switch point roller assist apparatus A switch point roller assist apparatus includes an elongated main support structure on which is movably mounted a rail securement clamp for releasably adjustably connecting the main support structure to a railroad rail. An elongated tie bar is adjustably ... | 03/26/1996 |
| 5499786 | Device for facilitating the re-positioning of moveable rails or rail components In a device for facilitating the re-positioning of moveable rails or rail components, in particular of tongue rails (7), in which the rails (7, 7'), during the re-positioning operation are supported on rollers (10, 10') forced against the underside of the... | 03/19/1996 |
| 5482231 | Rail switch point assist apparatus A rail switch point assist apparatus includes an elongated main member having an outward end removably and adjustably connected to the railroad track running rail and the inner end adjustably connected to a support member extending between a pair of ties.... | 01/09/1996 |
| 5390881 | Roller assembly for a switch tongue used with a stock rail A roller assembly for a rail switch tongue used with a stock rail exhibiting reduced friction and resistance to vibration includes roller elements for supporting the switch tongue. Each roller element is supported by elastomer springs, one having a dampin... | 02/21/1995 |
| 5356224 | Device for fastening slide inserts In the case of a device for fastening of at least one exchangeable elongate slide insert (5), in particular synthetic plastics material slide inserts, in recesses of a slide base or ribbed plate (4), in which the side surfaces of the slide insert (5) are ... | 10/18/1994 |
| 5133522 | Process for producing a crossing frog with a moving point A process for producing a crossing frog with moving point (1) for very long railway switches incorporated in long welded rails. The frog also comprises a cradle (2) in two elements (3 and 4), one molded and the other not molded. The method comprises weldi... | 07/28/1992 |
| 5127613 | Rail switching device including an antifriction insert The antifriction insert (1) for slide surfaces of switching devices is fixed to a base member (5) in that the base member includes a recess with grooves at both sides. At least one of the grooves has upwardly open hollows (9). The antifriction insert has ... | 07/07/1992 |
| 5125603 | Sliding chair, sliding plate and ribbed plate, respectively, for railway switches or railway crossings A railway structure for a sliding chair (2), a sliding plate and a ribbed plate (1), respectively, for railway switches or railway crossings. The structure includes friction-reducing sliding members (4, 5) of synthetic plastic material being releasably mo... | 06/30/1992 |
| 4890804 | Turnout unit for railway track Disclosed is an improved turnout unit to be employed in turnout point of railway tracks, which does not necessitate maintenance of the sliding surface of the base plate. In the turnout unit of the present invention, a spray-coated ceramic layer is formed ... | 01/02/1990 |
| 4634087 | Grooved rail switch with a tongue rail device A grooved rail switch with a tongue rail device includes a tongue rail displaceably supported on a torsion-stiff support box for movement between a stock rail and a switch rail. The support box is made up of an upper slide plate, a lower bottom plate and ... | 01/06/1987 |
| 4105175 | Railway switching points The invention relates to a device for a switching point of a railway track, said switching point comprising two movable tongue-rails controlled in such a manner that their ends may be brought in contact with line-rails, or be separated therefrom, by a sli... | 08/08/1978 |
