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Category: American inventions. 54 languages. ... This category is about inventions that were patented, though not necessarily invented, in the United States
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890) , before the turn of the century Timeline of United States inventions (1890–1945) , before World War II
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Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.
This invention -- Eli Whitney received a patent for his cotton gin on March 14, 1794. For the first time, American plantation owners would be able to harvest large amounts of cotton profitably.
Official credit for the invention of the electric trolley pole has gone to an American, Frank J. Sprague, who devised his working system in Richmond, Virginia, in 1888. [270] Known as the Richmond Union Passenger Railway , this 12-mile system was the first large-scale trolley line in the world, opening to great fanfare on February 12, 1888.
In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. [ 1 ] [ 2 ] [ 3 ] On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. 109) into law which proclaimed that patents were to be authorized for "any useful art, manufacture ...
An American invention that was barely noticed in 1947 went on to usher in the Information Age. In that year John Bardeen , William Shockley , and Walter Brattain of Bell Laboratories drew upon highly sophisticated principles of quantum physics to invent the transistor , a key component in almost all modern electronics , which led to the ...