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The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
Science and invention in Birmingham; Scientific achievements, inventions, and discoveries of the Lawrence Berkeley National Laboratory; List of Scottish inventions and discoveries; List of Serbian inventions and discoveries; List of Serbian inventors and discoverers; List of Singaporean inventions and discoveries
Companies are ranked by total revenues for their respective fiscal years ended on or before March 31, 2019. [9] All data in the table is taken from the Fortune Global 500 list of technology sector companies for 2019 [10] unless otherwise specified.
Walmart, the world's largest company by revenue since 2014 [1] This list comprises the world's largest companies by consolidated revenue, according to the annually ranked Fortune Global 500 published by Fortune magazine, as well as other sources. [2] Out of 50 largest companies 23 are American, 17 Asian and 10 European. [2]
The U.S. is the only country to place constantly as the number 1 country in technology in the world as of 2024. [4] The following is a list of the twenty largest countries (as measured by GDP ) by the International Innovation Index:
The First Plane Hits the World Trade Center: 11 September 2001 Jules Naudet: New York City, United States A screenshot of the Jules Naudet footage that is included in the Naudet brothers' documentary film 9/11, originally broadcast on March 10, 2002, on CBS, and later released on DVD. [s 2]
The company Metz introduces radio device type 409 / 3D. First mass production of printed circuit boards. This follows since the 1930s, several improvements to the manufacturing technology. The company Ampex introduces the "VR 1000" the first video recorder. That same year, CBS uses it for the first magnetic video tape recording (VTR) from.