William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7255047 | Vehicle carrying rail road car and bridge plate therefor A rail road car has a deck for carrying wheeled vehicles. The rail road car can be coupled to other rail road cars of the same type. Bridge plates are provide that permit wheeled vehicles to be conducted between adjacent rail road cars. The bridge plates have one en... | 08/14/2007 |
| 7047889 | Rail car with cantilevered articulation An articulated rail car has a plurality of rail car units joined together at articulation connections, and carried upon a number of rail car trucks that is equal to the number of rail car units plus one. At least one of the articulated connectors is located at an of... | 05/23/2006 |
| 6966266 | Device for the radial control of a rail vehicle The invention relates to a device for the radial control of a rail vehicle. According to the invention, at least one wheel set (1) is mounted in a bogie or chassis and the ends of said wheel set(s) can be adjusted in the longitudinal direction of the vehicle,... | 11/22/2005 |
| 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 |
| 6546318 | Railway train control and communication system The communication and control system is for use in a railway train with at least one engine and a plurality of wagons or carriages. This system comprises first and second bi-directional transmission lines which extend along the train; a main control unit ... | 04/08/2003 |
| 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 |
| 5826517 | Bogie coupling system for convertible railway-railroad vehicle An intermodal vehicle for both highway and railway use. A bogie is rigidly and releasably connected to a trailer for supporting the trailer for transportation over a railway. The trailer has a retractable roadway tire assembly for extending and retracting... | 10/27/1998 |
| 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 |
| 5455465 | Rapid transit car electrical coupling apparatus and method A train car with mirror image electrical couplings having mirror image halves at each end for connecting train lines in each car to corresponding train lines in adjacent cars, regardless of the end-to-end orientation of the car, has selected pairs of trai... | 10/03/1995 |
| 5343812 | Train of articulated vehicles A train of articulated vehicles which can be disassembled and assembled readily and to which an articulation mechanism of any conventional structure can be applied universally. A plurality of receiving side vehicle bodies each having one or a pair of rece... | 09/06/1994 |
| 5271335 | Articulation assembly for rail cars An articulation coupling includes a female coupling having a pair of members each forming a portion of an aperture to receive the male coupling and supported for horizontal movement. A structure, for example, a wedge, is provided for biasing the first fem... | 12/21/1993 |
| 5040466 | Train of highway trailers and method of making Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 08/20/1991 |
| 4989518 | Ramp system for assembling and disassembling highway trailers and railtrucks for intermodal transportation A novel ramp system is provided for use in the assembly and disassembly of intermodal highway trailers and intermodal railtrucks for intermodal transportation. The ramp system has an ascending portion for raising the level of the trailer frame onto an ele... | 02/05/1991 |
| 4981083 | Dual-mode rail-highway semi-trailer 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 the highway running gear during over-the-road travel by air-spring el... | 01/01/1991 |
| 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 |
| 4953472 | Rail vehicle, particularly monorail A rail vehicle, particularly a monorail, has several vehicles or cars, each of two adjacent or neighboring ones of which are connected by way of an associated coupling device. Between each two adjacent vehicles or cars there is mounted a bogie with an axl... | 09/04/1990 |
| 4942824 | Articulated coupling for two rail vehicles An articulated coupling for two rail vehicles supported by a common bogie comprises: (A) a toroidal part (1) connected to one of the vehicles, said part being frustoconical in its bottom zone and cylindrical in its top zone, and having a cylindrical ball ... | 07/24/1990 |
| 4938151 | Twin axle rail bogie for convertible rail-highway vehicles A rail bogie is provided with a truck having a platform and railroad wheels beneath it for riding on railroad tracks; a first fifth wheel being mounted on the platform. A draw-bar, also mounted on the platform, includes a vertical leg and a horizontal foo... | 07/03/1990 |
| 4917020 | Transition vehicle for use with convertible rail-highway trailers A transition vehicle for connecting convertible rail-highway trailers in a pulling or pushing relationship with the railway coupling mechanism found on a locomotive or a preceding railcar and which can also be converted for roadway use and coupled to a ya... | 04/17/1990 |
| 4907514 | Train of highway trailers and method of making Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 03/13/1990 |
| 4869177 | Rail-highway semitrailer The semi-trailer is capable of traveling on roads or on rails. It is characterized in that both a rail truck and a highway carriage are rapidly removable. Therefore the semi-trailer can travel on roads with only the highway carriage, and on rails with onl... | 09/26/1989 |
| 4841872 | Railway train of highway vehicles, and components therefor An improved railway train of highway trailers. The highway trailers are interconnected to each other and their adjacent ends are supported solely by railtruck assemblies. Each trailer is provided with a portion connectible to a corresponding portion of th... | 06/27/1989 |
| 4784066 | Adapter for a transport system An adapter is described for use with the road/rail transport system described in the specification of U.S. patent application Ser. No. 673,583, now abandoned. The adapter enables a train of bogies and semi-trailers as described in said specification to be... | 11/15/1988 |
| 4773335 | Train of highway trailers using improved railroad truck suspension A railroad train comprising a plurality of highway trailers hitched front end to rear end with the end of each trailer supported on an adapter releasably connected to the trailer and with the adapter permanently mounted on the bolster of a four-wheel doub... | 09/27/1988 |
| 4766818 | Train of highway trailers and method of making Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 08/30/1988 |
| 4718351 | Articulated coupling for integral trains An articulated coupling having a center coupling and a plurality of side bearings or couplings coaxial along a lateral axis to facilitate yaw and pitch between two cars while restricting roll. The side bearings each have a cylindrical member on one car re... | 01/12/1988 |
| 4669391 | Train of highway trailers Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 06/02/1987 |
| 4535702 | Articulated railway vehicle A railway vehicle for urban use has at least one motorized truck and at least one non-motorized supporting truck. The supporting truck is provided with wheels of smaller diameter than the wheels of the motorized truck which enables a lowering of all of th... | 08/20/1985 |
| 4258628 | Articulated railway coupling Articulating devices may be used to combine railroad cars into a semi-permanent unit. Each device includes a male and female connecting member having ends attached respectively to adjacent ends of the railroad car bodies forming the unit. A pin disposed i... | 03/31/1981 |
| 4093080 | Vehicular train A lead vehicle is hitched to a semitrailer-type follower vehicle by a universal coupling including a pair of generally horizontal arms, rigid with the respective vehicle bodies, which terminate in interfitted knuckles with part-spherical surfaces. The out... | 06/06/1978 |