...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7975620 | Hybrid personal transit system A system and method for hybrid personal transit and components thereof is disclosed. The hybrid personal transit (“HPT”) system can be a system of combined highway and monorail transportation methods, which allows roadworthy HPT vehicles to transition onto, and ... | 07/12/2011 |
| 7406919 | Method and apparatus for operating a vehicle on rails of a railroad track with an auxiliary drive assembly A method and apparatus for operating a vehicle to be driven on the road as well as railroad tracks includes an auxiliary drive suspended below a frame of the vehicle. The auxiliary drive includes a hydraulic roller assembly having a roller component for engaging a t... | 08/05/2008 |
| 7177732 | Automatic coupling of locomotive to railcars An automatic coupling system (10) for a locomotive (11). The automatic coupling system includes a means for detecting a coupling contact and for controlling locomotive systems such as throttle and brakes in response to such contact. The means for detec... | 02/13/2007 |
| 7159772 | Apparatus and method for mounting an RF tag on a conveyor trolley A system for mounting an RF tag to a conveyor trolley wherein the tag is embedded in a block of material shaped to fit within an annular recess formed between the hub and outer rim of the trolley wheel. The shaped block is secured to the wheel. ... | 01/09/2007 |
| 7134829 | Cargo trailer A trailer for carrying cargo includes a frame, at least two axles mounted to the frame, and a deck. The axles have wheels at opposite ends of the axles for movably supporting the frame above the ground. The deck is pivotally mounted to the frame and is pivotable abo... | 11/14/2006 |
| 6988451 | Rail car mover apparatus for loader vehicle A rail car mover apparatus for a loader vehicle comprises means to rotatably attach a pair of front rail wheels to a front end of the loader vehicle such that the front rail wheels are spaced to engage the pair of railroad rails and such that the front rail wheels c... | 01/24/2006 |
| 6932173 | Steered vehicle The steered vehicle, which may be a road vehicle or a vehicle devised to be usable upon road surfaces and also upon a rail line, has road wheels or a combination of road and rail wheels as required. The wheels are mounted upon a bogie pivoted about a generally verti... | 08/23/2005 |
| 6763767 | Railcar mover having negative cambered rail wheels A dual use roadway or railroad travel vehicle such as a railcar mover (10) which includes an inner set (24) of wheel assemblies (28, 30) designed for alternate roadway or rail travel, together with fore and aft rail wheel assemblies (32, 34 | 07/20/2004 |
| 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 |
| 6691882 | Handling machine for the combined handling of containers and bulk materials A rail-borne handling machine for handling containers and bulk materials in seaports and inland harbors includes a framework for carrying load bearing means and includes gantry supports arranged on the framework. Rail-based traveling gears are connected t... | 02/17/2004 |
| 6598538 | Rail wheel stop mechanism for road/rail vehicle For use with a road/rail vehicle that is convertible from a road mode for traveling on a road, to a rail mode for traveling on rails, an apparatus for mounting a rail wheel to the vehicle. The apparatus comprises an air bag bearing against the rail wheel ... | 07/29/2003 |
| 6575101 | Coupling arrangement for a train of highway trailers A coupling arrangement for forming a train of highway trailers, including at least one leading trailer having a rearwardly disposed locating device and a retractable highway wheel assembly, at least one following trailer having a forwardly disposed locati... | 06/10/2003 |
| 6439131 | Convertible highway and rail freight vehicle A freight vehicle adapted to be convertible from highway to railway use and vice versa including a trailer having multiple railway wheels and highway wheels pivotally connected to the underside of the trailer and with the wheels being extendible for opera... | 08/27/2002 |
| 6431082 | Guide wheel assembly A guide wheel assembly, which can be preassembled as a single unit, is configured to be connectable to a guide frame of a rail guided vehicle. The guide wheel assembly generally includes a fixed component connectable to the guide frame and a rotating comp... | 08/13/2002 |
| 6374948 | Rail lubricator A device for lubricating a track or a rail that is adapted to be mounted tog wheeled vehicle. The device includes a frame member adapted to be mounted to the vehicle and an arm pivotally attached to the frame member. A roller, which is adapted to ride on ... | 04/23/2002 |
| 6352035 | Driving mechanism of a track traveling vehicle A track traveling vehicle having rubber tires for engaging a public road to permit the vehicle to travel thereon, and also having metal wheels capable of engaging rails associated with a track for permitting the vehicle to travel therealong. The metal whe... | 03/05/2002 |
| 6324994 | Hybrid transit system A hybrid transit system comprising a transit corridor and a hybrid vehicle for carriage of people and goods within the corridor. The transit corridor includes railway sections, roadway sections and transit corridor junctions between the two sections. The ... | 12/04/2001 |
| 6308640 | Transportation vehicle steering apparatus A guidance apparatus is used on a transit vehicle which includes separate steerable drive tires operated by a central guidance platform having four peripherally mounted wheels follow the contour of a guide rail. The guide wheels are spaced above the roadw... | 10/30/2001 |
| 6298792 | Hi-rail wheel assembly for improved traction An improved hi-rail wheel assembly includes a frame connected to an axle tube surrounding an axle, a pair of railway wheels mounted in spaced relation on the axle tube, a first pair of pivotal links connected between a frame and the axle, and a second pai... | 10/09/2001 |
| 6263801 | Multi-mode trailer suspension system for use with rail bogies A multi-mode trailer suspension system for use on a highway and a railroad is provided. The suspension system has a frame and a sub-frame pivotally connected to the frame. At least one lower suspension arm is pivotally connected to one of either the frame... | 07/24/2001 |
| 6230911 | Rail wheel system for supporting loads on a road-traveling gantry crane A gantry crane is provided which is equipped with standard wheels having rubber tires for free maneuverability on a road surface, such as asphalt, gravel, pavement, etc., wherein the crane is additionally equipped with a plurality of railwheels to provide... | 05/15/2001 |
| 6158602 | Railwheel system for supporting loads on a road-traveling gantry crane A gantry crane is provided which is equipped with standard wheels having rubber tires for free maneuverability on a road surface, such as asphalt, gravel, pavement, etc., wherein the crane is additionally equipped with a plurality of railwheels to provide... | 12/12/2000 |
| 6101953 | Apparatus to facilitate rail transit by motor vehicles An apparatus for facilitating the travel of a motor vehicle, designed for roadway travel, upon railways has the capacity to be towed to the rail site by the motor vehicle. The apparatus has a platform having at least one rotatable axle of roadway tires at... | 08/15/2000 |
| 6012396 | Electric rail transportation system, vehicle, and rail used in the transportation system A transportation system includes a rail system and a vehicle capable of traveling on a road surface or the rail system. The vehicle includes two sets of wheels, one wheel for riding on the road surface, and another for riding on the rail. The rail is prov... | 01/11/2000 |
| 5832836 | Modular articulated railcar A novel railcar includes a floor, upstanding side walls which are connected to the floor and a top. A no slack coupler is provided for coupling adjacent railcars together to form an articulated train. The railcar includes a landing gear having a flanged w... | 11/10/1998 |
| 5802980 | Vehicle drive system for road and railroad track A vehicle for operation on both road and railroad track (off road) is provided with a wheeled chassis comprising a steered front wheel axle and rear wheel differential axle(s), all with road or rubber tire wheels. A front axle and a rear wheel differentia... | 09/08/1998 |
| 5778798 | Lift axle suspension for large volume trailers A suspension assembly for a large volume trailer has a pair of spaced apart control arms pivotally mounted beneath the trailer. One end of each control arm is pivotally mounted to a hanger bracket suspended from the trailer frame, and another end of each ... | 07/14/1998 |
| 5756903 | Track strength testing vehicle with a loaded gage axle and loaded gage axle apparatus A motor vehicle body is adapted for use on railroad tracks by being elevated by "high rail" unit steel wheels, but with the motive force being supplied by the vehicle's road wheels, a loaded gage axle assembly having vertical loads imposed by hydraulic ra... | 05/26/1998 |
| 5622115 | Modular articulated railcar A novel railcar includes a floor, upstanding side walls which are connected to the floor and a top. A no slack coupler is provided for coupling adjacent railcars together to form an articulated train. The railcar includes a landing gear having a flanged w... | 04/22/1997 |
| 5586507 | Rail guide wheel apparatus with double overcenter linkage A guide wheel apparatus and vehicle typically used in railroad applications, using the apparatus has a double overcenter linkage arrangement to secure rail wheels in both road and rail positions for respectively traveling on roads and rails. An electric m... | 12/24/1996 |
| 5337675 | Train for replacing a railroad track having retractable drive mechanisms for traveling on the cross-ties without rails The invention comprises essentially a first car (1) resting on a bogey running on the track to be replaced, and a second bogey (3) moving during the work cycles with the aid of two auxiliary devices (5, 6) above the old cross-ties (4) without rails. It al... | 08/16/1994 |
| 5220870 | Convertible highway-railway hauling vehicle A hauling vehicle for both highway and railway use is disclosed. A highway wheel assembly is permanently and slidably mounted to the underside of the vehicle. The highway wheel assembly includes a set of leaf springs and air bags which are used to raise a... | 06/22/1993 |
| 5186109 | Side shift railway guide wheel apparatus for rail/highway conversion with V-shaped automatic centering surfaces for centering vehicle relative to the rails A railway guide wheel apparatus attaches to a frame of a road vehicle to allow the road vehicle to travel along rails. The apparatus has a side shift capability where railway wheels of the apparatus may be lowered to engage rails even when the vehicle is ... | 02/16/1993 |
| 5167190 | Mobile engine-carrier convertible between road and rail use with folding swan-neck and ramps for attaching to railway bogies In a road-transportable trailer having a connecting arm (11) of a "swan neck" type, and including an oblique arm (15), followed by a branch (17), a forward extremity of the former including a lower support rack (16), and a retractable telescopic support a... | 12/01/1992 |
| 5092247 | Process for converting a railway-track renewal train and vehicle for carrying out the process A method and apparatus for converting a railway-track renewal train into a train for laying new railway track. The railway-track renewal train includes a first truck bearing on a bogie rolling on a renewed track, a second truck bearing on spaced first and... | 03/03/1992 |
| 5058917 | Two-stage retractable suspension An improvement is provided for a vehicle suspension of the type comprising a pair of control arms pivotally mounted to a frame of the vehicle and carrying ground-engaging wheels. A transverse beam extends between the free ends of the control arms and supp... | 10/22/1991 |
| 5016544 | Road/rail power unit This invention relates to a convertible road/rail power vehicle including a tractor unit provided with retractable wheel sets and rail equipment that enable it to be operated on either highways or railway tracks and when on rail to pull a multiplicity of ... | 05/21/1991 |
| 4981082 | Railway highway vehicle A railway train of truck trailers or trailer chassis coupled end to end with the back end of each trailer (and the front end of a following trailer, if any) pivotally supported on the bolster of a railway truck by a subframe having vertically facing load ... | 01/01/1991 |
| 4961676 | Goods transport systems which are transformable into rail vehicles, and rail bogies for use therewith Systems for transporting goods such as road vehicles or containers are transformable into rail vehicles. The systems comprise respective decks each equipped at each end with a pair of cylindro-conical vertical bushes which flare downwardly for receiving r... | 10/09/1990 |
| 4955292 | Dual-mode rail-highway semi-trailer with separable bogie A dual-mode semi-trailer having over-the-road or highway running gear with rubber tired wheels in which a demountable flanged rail wheel bogie is employed, the body being supported upon said highway running gear during over-the-road travel by air-springs ... | 09/11/1990 |