When her servants chipped her precious 200-year old heirloom china while washing up after a dinner party, Josephine Cochrane decided to do something about it. In collaboration with a mechanic, she invented the first domestic washing machine in the 1880s. After that, she personally started selling her invention, and continued until she was more than 70. Her business is what currently has evolutioned as Whirlpool, you might know this brand!