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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 |
| 7201106 | Hydrostatic hi-rail system A hydrostatic hi-rail system for use with a railway maintenance vehicle to allow travel along railway rails by raising the vehicle off of road-engaging tires onto rail-engaging flanged rail wheels. The operator controlled system includes front and rear lift assembli... | 04/10/2007 |
| 6324993 | Hydraulic load-shifting device for drawbar A railcar moving vehicle having a load-shifting device for shifting a portion of the weight of a railcar to the railcar moving vehicle. The railcar moving vehicle has a frame, an engine, and at least one pair of drive wheels disposed toward the rearward p... | 12/04/2001 |
| 5662045 | Locomotive for material handling train An automated material handling system including one or more train assemblies moving along a rail with each train assembly including a locomotive pulling a plurality of trolley cars. The locomotive includes a front truck adapted for movement along the rail... | 09/02/1997 |
| 5461985 | Traveling trolley, in particular single-rail trolley with compact height The invention is directed to a traveling trolley, in particular a single-rail trolley having a compact height. A traveling trolley constructed in accordance with the present invention includes a supporting frame with running wheels that run on the bottom ... | 10/31/1995 |
| 5381737 | Rail truck suspended car transit vehicles A rail truck for use in an elevated closed beam having a slot in the bottom surface for clearance of a car body support member. The passenger car body is hung beneath the beam and elevated above the ground with the trucks running inside the beam. The flan... | 01/17/1995 |
| 5331900 | Overhead trolley with spring biased load dependent traction control A trolley, particularly a monorail trolley having a short structural height includes travel wheels which travel on a lower flange of a rail. The trolley further includes a lifting mechanism arranged on a support frame and a driveable friction wheel which ... | 07/26/1994 |
| 5325791 | Coupling means for railcar moving vehicles A coupling mechanism for use on a railcar moving vehicle designed to couple with European-type railway cars having an end sill at each end of the car which supports a centrally disposed draft hook and a pair of buffers mounted one at each end of the end s... | 07/05/1994 |
| 5301615 | Railcar moving vehicle having monitored weight transfer process including sensors for sensing transfer of full weight A railcar moving vehicle having a hydraulic system for raising the vehicle coupler while coupled to a railroad car or the like to transfer weight from the railcar to the vehicle. By this invention, fluid pressure in the hydraulic power line is sensed, to ... | 04/12/1994 |
| 5241911 | Conveyor system including a support rail with travel surfaces for driven support wheels of vehicles A conveyor system includes a support rail with travel surfaces for driven support wheels of vehicles, such as suspended or elevated trolleys or the like. An additional rail is provided for additional wheels which apply contact pressure to the support whee... | 09/07/1993 |
| 4809616 | Device for controlling drive couplings of the axles of a locomotive Device for controlling drive couplings of motor bogie axles of a locomotive. The axles are individually driven by motors (4, 5) controlled by a control assembly receiving signals from sensors (6) which are constituted for measuring the vertical load of at... | 03/07/1989 |
| 4701929 | Laser diode pumped solid state laser A neodymium or other rare earth doped solid state laser is pumped by a matched high efficiency laser diode, resulting in a compact, high efficiency and long lifetime laser assembly. Output is in the near infrared range, but can be converted to the visible... | 10/20/1987 |
| 4113114 | Method and apparatus for railroad car shunting An interconnected series of in excess of twenty-five railroad cars may be shunted about a yard by attaching a vertically displaceable carriage of a forklift truck to the coupler of the first car in the series through a load bearing coupling adaptor and ra... | 09/12/1978 |
| 4067259 | Convertible rail-highway traction vehicle A weight transfer rail traction vehicle adapted for travel on alternate sets of rail or road wheels which is characterized by a number of features including: a spring and shock absorber system which cooperate to maintain the springs, while in a rail trave... | 01/10/1978 |
