Step aside Edison, Tesla and Bell. New measurement shows when U.S. inventors were most influential.

December 03, 2018

The U.S. patent office has stockpiled the text to more than 10 million patents. But that’s often all they have: an enormous amount of text. Now a team of economists has created a clever algorithm that processes that text -- often the only consistent data we have for many of the country’s most famous inventions -- to create a measure of the influential inventors and industries of the past 180 years.