Toyota's recently filed a patent shows a flying car which has rotor blades emerging from its wheels.
Link:- https://interestingengineering.com/toyota-patents-design-for-flying-car-with-rotor-blades
Google filed a patent application for a "Water-Based Data Center" in 2008. The latter would consist of a barge or cargo ship equipped to capture energy from tides and convert it to electricity, which then would be used to power row after row of computer servers for Google's global information network.
Link:- https://electronics.howstuffworks.com/future-tech/10-weird-patents-that-google-owns2.htm
Last year Tap Systems released what it called the future of computing, a wearable keyboard that allowed users to type with a single hand
Link:- https://www.digitaltrends.com/computing/tap-wearable-keyboard-vr-support/
Scientists at the City University of Hong Kong have created a new robot. Upside: it could help deliver drugs inside the body, keeping patients healthier
Links:- https://futurism.com/scientists-want-horrifying-caterpillar-robot-inside-body/