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Swedish inventors are Swedish people who invented novel ideas, machines or tools. In the 18th century Sweden's scientific revolution took off. Previously, technical progress had mainly come from professionals who had immigrated from mainland Europe. In 1739, the Royal Swedish Academy of Sciences was founded, with people such as Carolus Linnaeus and Anders Celsius as early members. Sweden has a total of 33523 patents as of 2007 according to the United States Patent and Trademark Office, and only ten other countries have more patents than Sweden. Although a lot of patents cannot count as inventions. Therefore the number of patents per country is a relatively bad scale for measuring inventions that has been of progress to mankind.〔(Patents By Country, State, and Year - All Patent Types (December 2007) )〕 The traditional engineering industry is still a major source of Swedish inventions, but pharmaceuticals, electronics and other high-tech industries are gaining ground. A large portion of the Swedish economy is to this day based on the export of technical inventions, and many large multinational corporations from Sweden have their origins in the ingenuity of Swedish inventors. == 17th century == * Christopher Polhem (1661–1751) was a Swedish scientist, inventor and industrialist. He made significant contributions to the economic and industrial development of Sweden, particularly mining. He reinvented the Cardan joint under the name of "Polhem knot" (Polhemknut) independently of Gerolamo Cardano, an Italian mathematician who invented the knot in 1545. His greatest achievement was an automated factory powered entirely by water; automation was very unusual at the time. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of Swedish inventors」の詳細全文を読む スポンサード リンク
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