A four-stroke internal combustion engine operates on the Otto cycle, a design conceived by German-born Nicolaus August Otto as early as 1861 and eventually awarded patent number 365701.
Karl Benz received the patent # 37435. In the fall of 1885, the world’s first water-cooled gasoline engine automobile (horseless carriage) rolled down the streets in ...
Richard Trevithick’s design had a boiler but this was removed to make the internal combustion engine. The German inventor Nicklaus Otto developed the first four stroke engine in 1876.
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