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Timeline of United States inventions (1890–1945) 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. [ 2] This ...
1717 Swim fins. Swim fins, also known as fins, or flippers, are blade-shaped extensions worn on feet or hands for use in water. They aid movement in aquatic sports such as swimming, surfing, and underwater diving. Swim fins are typically made of rubber or plastic. Benjamin Franklin invented wooden swim fins in 1717. [ 10]
Timeline of United States inventions (before 1890), before the turn of the century. Timeline of United States inventions (1890–1945), before World War II. Timeline of United States inventions (1946–1991), during the Cold War. Timeline of United States inventions (after 1991), after the Fall of the Soviet Union.
On-sale bar. In United States patent law, the on-sale bar is a limitation on patentability codified at 35 U.S.C. § 102. It provides that an invention cannot be patented if it has been for sale for over one year prior to the patent filing.
Polygraph (duplicating device) A Polygraph is a duplicating device that produces a copy of a piece of writing simultaneously with the creation of the original, using pens and ink. Patented by John Isaac Hawkins on May 17, 1803, it was most famously used by the third U.S. president, Thomas Jefferson, who acquired his first polygraph in 1804 and ...
1880s. 1881: Nikolay Benardos presents carbon arc welding, the first practical arc welding method. [ 435] 1884: Hiram Maxim invents the recoil-operated Maxim gun, ushering in the age of semi- and fully automatic firearms. 1884: Paul Vieille invents Poudre B, the first smokeless powder for firearms.
t. e. A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
Carbon monoxide detector. Carbonless copy paper. Cardiac Pacemakers, Inc. Cardiopulmonary bypass. Caroline's Cart. Carpet sweeper. Carter's Little Liver Pills. Cash register. Ceiling fan.