Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7497168 | Modular unit transportation system method and apparatus A module transportation system where modules are transported from a movable carrier frame to a carriage such as a flatbed portion of a train while in motion. The system comprises a support structure and a carrier frame adapted to be attached thereto. The carrier fra... | 03/03/2009 |
| 6925941 | Elevated train Elevated train comprised of one or more wagons (1) that move suspended from a rail (2) or the like. This rail is provided at the train stops with at least two transverse gaps that determine a segment (5) from which said train is suspended, with ... | 08/09/2005 |
| 4974520 | Conveyor with self-loading and unloading carriers A conveyor having an electrified carrier track supporting wheeled, self-propelled carriers, in which each carrier is provided with power-driven, vertically movable load carrying structure operable to pickup a load from or deposit a load on a supporting su... | 12/04/1990 |
| 4425851 | High speed passenger transfer vehicle Disclosed is a self-propelled suspension monorail vehicle carried on top of a nonstop train. At depots the monorail vehicle attaches itself to a suspended monorail by way of an attachable drive mechanism. Passengers leaving the nonstop train have access to the... | 01/17/1984 |
| 4417842 | Soil erosion prevention block insert and apparatus for positioning An apparatus for aligning and loading inserts for soil erosion prevention blocks having a rollable main frame with an insert holder frame movably coupled thereto. Secured within the insert holder frame is an aligning frame which receives the inserts and a... | 11/29/1983 |
| 4326829 | Apparatus for lifting a heavy load and transporting it over an obstruction The present invention is directed to an overhead travelling crane for lifting and transporting a heavy load over an obstacle including a carriage with front and rear wheels mounted on independent axles for movement along respective rails. The rails engage... | 04/27/1982 |
| 4274335 | Monorail police patrol vehicle A monorail type vehicle which is particularly suited for high speed travel on a street or at various locations above a street. The vehicle comprises a motor driven tandem wheel carriage engaging an overhead monorail and a gondola suspended from the carria... | 06/23/1981 |
| 4256344 | Concrete surfacing machine A concrete surfacing machine has a carriage mounting a concrete surfacing means, such as a rotary cutter, between front and rear wheels of the carriage which are independently adjustable in both the lengthwise and vertical directions of the carriage to ac... | 03/17/1981 |
| 4164990 | Passenger evacuation apparatus An apparatus for evacuating passengers from a passenger-carrying cabin having a floor suspended above the ground comprises upper and lower plates engageable over the upper and lower sides of a vertical hole through the floor. These plates are both secured... | 08/21/1979 |
| 4163480 | Line travelling skips A carriage has pulleys adjacent opposite ends thereof for riding on a pair of line cables which have obstructions thereon, such as hangers and spacers. The carriage has brakes associated therewith for engaging the line cables. These brakes are such that t... | 08/07/1979 |
| 4154170 | Rail car transporting and shipping system A rail car transporting and shipping system including a shipping floor having an edge, a plurality of elongated pits within the shipping floor and aligned in side-by-side relation and further having open ends at said edge, first railroad rails in each of ... | 05/15/1979 |
| 4082042 | Overhead container transfer system This invention is a continuation of my system for vertical transfer of containers to and from moving vehicles wherein the improvement comprises the simplification of the double-dip overhead track for containers or container carriers by elimination of some... | 04/04/1978 |
| 4049131 | Freight container unloading system Mechanism for removing containerized freight from a beached watercraft and ransporting same to a waiting tractor-trailer located on firm terrain. The mechanism is designed to transport heavy freight containers across muddy or loose sandy terrain without al... | 09/20/1977 |
