Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7014171 | Tie lifter and holder An improved design that would allow one workman to easily elevate a heavy concrete tie to the base of the rail and hold it in position while tie is connected to the rail with retainer clips. Improvements are made in the handle design that allow the workman to remain... | 03/21/2006 |
| 6640406 | Railroad clip applicator system A railroad clip applicator system for efficiently securing a fastening clip to a receiver bracket of a crosstie. The railroad clip applicator system includes a housing, a handle structure attached to the housing, an actuator secured within the housing, an... | 11/04/2003 |
| 6637727 | Rail puller including a clamping beam and two clamping members and a method thereof A rail puller that applies tension to rail sections to reduce the gap between the ends of rail sections. The rail puller comprises a first clamp assembly and a second clamp assembly located at opposite ends of the rail puller. A clamping beam is coupled t... | 10/28/2003 |
| 6533246 | Shoe clamp A clamping apparatus is provided with a shoe mountable on a work surface, and a clamp having a foot adapted for removable engagement with the shoe. Also provided is a method of clamping a workpiece in a fixed location with respect to a work surface includ... | 03/18/2003 |
| 4937989 | Locking brace for uniting mobile home sections through their undercarriage I-beams A support system, which has support/brace units, for restraining the several mobile sections through their undercarriage I-beams of a mobile or manufactured home, against lateral movement during ground movement, tremors or vibrations. The support system i... | 07/03/1990 |
| 4872646 | Railroad tie replacement apparatus Apparatus for removing a railroad tie from under conventional railroad tracks and inserting a replacement tie into the vacated tie position, including a base insertable below a conventional railroad track on either side of a tie to be removed, a shaft tra... | 10/10/1989 |
| 4744302 | Mechanism for bending abutting rail section ends at rail joints in the operation of a track working machine In a mobile track working machine comprising a frame mounted for mobility on the track: a mechanism for bending the track rail section ends comprises a carrier frame vertically adjustably mounted on the machine frame above a respective track rail and havi... | 05/17/1988 |
| 4464995 | Method and apparatus for removing railway ties A method and apparatus for removing defective railroad ties from the right-of-way in one piece and without disturbing the elevation, cross-level and line, of a track system. The method is carried out by first removing the tie plates from an individual tie... | 08/14/1984 |
| 4445437 | Railway track tamping machine A tamping machine intended for tamping on the open track and below switches and cross overs. It is equipped with independent tamping units arranged on opposite sides of each line of rail and each connected to the chassis by a mechanism comprising: a trans... | 05/01/1984 |
| 4413807 | Rail gauging shoe A rail gauging shoe including a body portion, an elongated flat relatively thin top portion on the body portion for placement in contiguous relationship to the top of a rail, an elongated relatively thin first side portion extending transversely to the to... | 11/08/1983 |
| 4409901 | Apparatus for performing operations on a railway track Apparatus for performing operations on a railway track, comprising an automatically actuated rail adjusting mechanism with parts to engage opposite edges of a flange of a flanged rail for adjusting the relative positions of a rail and a sleeper vertically... | 10/18/1983 |
| 4348959 | Rail gap adjusting device A device for adjusting the butt-ends of two rails to be connected has a fixed frame for enclosing one of the two rails and two integral bars, parallel to the rails, and extending from the fixed frame toward the other rail. Two movable frames are slidable ... | 09/14/1982 |
| 4343457 | Rail jack adaptor A novel rail jack adapter is disclosed for use with a railroad jack having a base for supporting the jack, a generally upright body extending away from that base, a rack longitudinally movable with respect to the jack body (at least the head of which rack... | 08/10/1982 |
| 4176777 | Setting arrangement for alignment and gap between two rail ends Apparatus for aligning and setting the gap between two rail-ends prior to joining these two ends by fish plating or welding and possibly dressing the weld, comprises a rigid horizontal frame of open structure overlapping the two rails and providing an acc... | 12/04/1979 |
| 3968752 | Mobile track working machine In a mobile track working machine, which comprises a track lining and leveling unit which may be moved transversely and vertically to the track for lining and leveling the track, flanged lining rollers mounted on the unit for engagement with an associated... | 07/13/1976 |
| 3952665 | Device for laterally displacing a railroad track A method and a system for correcting the misalignment of a railroad track is provided which corrects the track by the steps of applying a force laterally of the track to move it in the direction of its correct position, sensing the track position relative... | 04/27/1976 |
| 3948185 | Method and apparatus for removing railroad ties Method for undercutting a railroad tie resting in a ballast bed and supporting track rails consisting of moving a probe through the ballast beneath the tie while continuously vibrating the probe so that forces are transmitted from the probe to the ballast... | 04/06/1976 |
