#6. Josephine Cochrane- Dishwasher
The idea of an automatic dishwasher first came to Josephine Cochrane when she wanted a machine that could wash dishes faster than her servants and not break them. She patented the invention in 1886 and opened her own production factory.
#7. Dr. Maria Telkes- Solar Heated Home
By New York World-Telegram and the Sun staff photographer [Public domain], via Wikimedia Commons
Dr. Maria Telkes worked at MIT on its Solar Energy Research Project in the 1940s. This is when she came up with the idea of a solar-heated room along with an architect friend named Eleanor Raymond.
#8. Letitia Geer- Medical Syringe
The reason why your doctor can inject you with just one hand today is because of a woman called Letitia Geer who invented this medical syringe in 1899.
#9. Stephanie Kwolek- Kevlar
The lightweight, high-tensile Kevlar which is used by military was invented by DuPont chemist Stephanie Kwolek. The fabric is fives times stronger than steel and can even take a bullet. It was invented while she was trying to perfect a lighter fabric for car tires. DuPont patented it in 1966.
#10. Nancy Johnson- Ice Cream Maker
Though we use the electric ice-creams makers now but the original design was proposed by Nancy Johnson who invented a hand-operated ice-cream maker in 1843. It consisted of three components- a wooden pail on the outside accompanied by a tin cylinder on the inside and a paddle connected to the crank.