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first patent recorded
A vacuum sweeper was produced by Daniel Hess on July 10, 1860. Hess called his invention a carpet sweeper, -
first self cleaning robots
this Robotic vacuum cleaners entered the market in 2002. this robot can detect walls and other objects -
self cleaning window
this is a self cleaning window. the creators idea was to make something would not wear off as quick. -
self cleaning litterdox
this is a self cleaning litterbox. Your cat must be weigh at least 5 pounds for this sensor to work."The sensor will start a 7 minute countdown when your cat leaves the globe. At the end of the countdown the cleaning cycle will begin."