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News from the U.S. Patent Office
Topic Started: Jan 5 2010, 06:31 PM (414 Views)
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February 25, 1836

Samuel Colt, an inventor from Connecticut, has received a patent from the United States government for his Colt revolver, the first revolving barrel multishot firearm.

The U.S. Army has taken an interest in Mr. Colt's invention, and agreed to provide limited funding for him to set up a manufacturing corporation in New Jersey. The government will also negotiate a special contract once production begins to have the new firearms delivered to specific brigades of the federal army.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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March 1, 1836

Henry R. Campbell, chief engineer for the Philadelphia, Germantown and Norristown Railway, has received a patent for a new type of steam locomotive which when built will be among the largest and most powerful in the world. The 4-4-0 design has cylinders measuring a full 14 inches in diameter, weighs 12 tons and can maintain 90 foot-pounds/square inch of steam pressure. The locomotive is estimated to be able to pull a 450 short ton train an astonishing 15 mph on level tracks.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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February 25, 1837

Thomas Davenport of Vermont has received U.S. Patent No. 132 for his electromagnetic engine, the first electric machine patented in the United States. The device operates by means of an advanced electric motor, also a novel invention of Davenport's, which is powered by a small battery and a series of "artificial" and "galvanic magnets."

Mr. Davenport's invention has great potential, and he is said to be experimenting with small model rail-like cars powered by his engine.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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February 24, 1839

Philadelphian engineer William Otis has received U.S. Patent No. 1,089 for his steam shovel, a revolutionary device for excavating and removing earth. Mounted on a rail car, the shovel can lift approximately 10 cubic feet of soil at a time and is capable of moving nearly 4,000 cubic feet per day, greatly improving the efficiency of construction projects.

The Western Railroad in Massachusetts has acquired several of these mechanical excavators for use in their expansion of the line from Springfield to Pittsfield.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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April 24, 1841

Squire Whipple has received Patent No. 2,064 for his design of bowstring iron-bridge trusses, a new way of constructing bridge frames completely out of iron. His invention is of interest to many railroad companies, whose lines frequently require bridges with sturdy frameworks, which are capable of carrying larger loads than those routinely handled by wooden trestles and stone bridges.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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September 15, 1843

Norbert Rillieux has received U.S. Patent No. 3,237 for his double-effect evaporator, a device used in the refining of sugar. The invention allows for a more efficient separation of raw sugar cane from its natural juices, reducing spillage and the uneven application of heat, which also improves safety for workers.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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June 15, 1844

Charles Goodyear has received U.S. Patent No. 3,633 for his process of rubber vulcanization.

Vulcanization involves the heating of rubber so as to make it more durable, elastic, and temperature resistant, thereby greatly increasing its potential for use in household products and industrial equipment. Mr. Goodyear has established a factory in Springfield, Massachusetts for the manufacture of this new kind of rubber and has attracted the interest of several prominent businessmen in the area.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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September 10, 1846

Elias Howe has received Patent No. 4,750 for the sewing machine, a precision device that automates stitching.

His apparatus uses the so-called lockstitch method, which interweaves threads as they are sewn so they do not unravel easily. The machine has three critical parts consisting of a needle with the eye at the point, a shuttle operating beneath the cloth to form the lockstitch, and an automatic feed. It is operated by turning a large crank attached to the spool.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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May 22, 1849

Abraham Lincoln has received U.S. Patent No. 6469 for his boat flotation device, an invention capable of lessening the drafts of steamboats to lift them out of river sand bars. The apparatus consists of horizontal floats that are installed alongside the hull when the ship enters shoal waters, allowing it to sail over normally impassable terrain with ease.
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"For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory."
- Zachary Taylor
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