Thomas Edison patents total 2, during his lifetime. These patents, 1, of which were U. Moreover, during his lifetime, Edison filed roughly patent applications that were rendered unsuccessful or abandoned. His patent applications were submitted throughout his lifetime; however, a majority of his most successful applications were filed either between or In fact, Edison recorded his work in 4, notebooks that included his inventions and ideas.
If you need to find any of his U. Though the gasoline-powered engine eventually prevailed, Edison designed a battery for the self-starter on the Model T for friend and admirer Henry Ford in The system was used extensively in the auto industry for decades.
During World War I, the U. Edison worked on several projects, including submarine detectors and gun-location techniques. However, due to his moral indignation toward violence, he specified that he would work only on defensive weapons, later noting, "I am proud of the fact that I never invented weapons to kill. By the end of the s, Edison was in his 80s. He and his second wife, Mina, spent part of their time at their winter retreat in Fort Myers, Florida, where his friendship with automobile tycoon Henry Ford flourished and he continued to work on several projects, ranging from electric trains to finding a domestic source for natural rubber.
During his lifetime, Edison received 1, U. He executed his first patent for his Electrographic Vote-Recorder on October 13, , at the age of His last patent was for an apparatus for holding objects during the electroplating process. Edison became embroiled in a longstanding rivalry with Nikola Tesla , an engineering visionary with academic training who worked with Edison's company for a time.
The two parted ways in and would publicly clash in the " War of the Currents " about the use of direct current electricity, which Edison favored, vs. Tesla then entered into a partnership with George Westinghouse, an Edison competitor, resulting in a major business feud over electrical power.
One of the unusual - and cruel - methods Edison used to convince people of the dangers of alternating current was through public demonstrations where animals were electrocuted. One of the most infamous of these shows was the electrocution of a circus elephant named Topsy on New York's Coney Island. He was 84 years old. Many communities and corporations throughout the world dimmed their lights or briefly turned off their electrical power to commemorate his passing.
Edison's career was the quintessential rags-to-riches success story that made him a folk hero in America. An uninhibited egoist, he could be a tyrant to employees and ruthless to competitors.
But by the time he died, Edison was one of the most well-known and respected Americans in the world. We strive for accuracy and fairness.
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Alexander Graham Bell was one of the primary inventors of the telephone, did important work in communication for the deaf and held more than 18 patents. George Westinghouse is best known for inventing an air brake system that made railroads safer and promoting alternating current technology, which revolutionized the world's light and power industries. Nikola Tesla was a scientist whose inventions include the Tesla coil, alternating-current AC electricity, and the discovery of the rotating magnetic field.
Swedish chemist Alfred Nobel invented dynamite and other explosives. He used his enormous fortune from patents to institute the Nobel Prizes. Lewis Howard Latimer was an inventor and draftsman best known for his contributions to the patenting of the light bulb and the telephone. Orville Wright was an aviation pioneer who is best known for inventing the airplane with his brother, Wilbur.
When he died in , he had 26 patents in his name. Garrett Morgan blazed a trail for African American inventors with his patents, including those for a hair-straightening product, a breathing device, a revamped sewing machine and an improved traffic signal.
Thomas Edison is credited with inventions such as the first practical incandescent light bulb and the phonograph. He held over 1, patents for his inventions. Olivia Rodrigo —. Megan Thee Stallion —. Bowen Yang —. See More. He is the iconic inventor-businessman, whose face is recognized the world over, symbolic of creativity and bright new ideas.
He is the man who helps define what progress means. Want more information? Or visit our Edison Patents Image Gallery.
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