10 inventions that no one ever need
Forbes magazine has made a list of the most senseless US patents.
The process of obtaining a patent in the US can take several years and cost - including legal support - $ 15 000, but the potential inventors that does not stop. Most of the patents will never be repaid, and some simply amaze its perfect futility.
Samozastegivayuschiesya look at the shoes, underwear on the wire frame, centrifuge to facilitate childbirth and other strange invention.
Automatic device for fastening shoes
Aaron Harrell inspired probably the shoes Marty McFly from "Back to the Future", but its structure was not an example of a more cumbersome. The invention includes a gas cylinder, hidden in the sole of the pneumatic piston and the lever, pressing the fastener to the boot.
The device to facilitate delivery by centrifugal force
This contraption would have looked better in a training center for astronauts than in the hospital. By tying unit woman giving birth, and it revolves at a speed of 82 revolutions per minute, pushing the baby to light. For the safety of the process corresponds to a special controller, which will not allow the car to accelerate too quickly, and a special net - it will catch the departing baby. Over forty years of miracle invention have not bought any hospital.
cushion, combined with a protective helmet
A wonderful cushion to help its owner to survive a plane crash. It should pull it down - and you can prepare for a collision with the ground, in full awareness of their security. It even has two ribbons to tie on the chin. When measuring the turbulence gradually go into a steep corkscrew - do not forget to get your feather hat.
Coffee nicotine composition
The inventor Stephen Fortune crossed the two greatest weaknesses of mankind - coffee and cigarettes. Dream has not been canceled, but it will need much less after you drink a patented brew.
The entertainment apparatus for kicking his own buttocks with manual drive
mechanism established zeal inventor Joe Armstrong is equipped with hand pedals driving a pinwheel. At the wheel is located behind the user, secured four shoe that one pedals turnover quadrupled kicked him below the sacrum.
A musical instrument, spewing flames
If you want to highlight a little bit your play on the pipe, you can simply attach it to spray the fuel gas and the ignition button. What could be simpler!
The apparatus for producing fresh air
The invention of William Holmes can not be called meaningless. If around raging fire, this tube can be pushed through the layer of water in the toilet bowl into the sewer pipe - and breathe let smelly, but at least not toxic air. Now the patent has expired - but want to start dressing snorkel in production has not yet been found.
tanga Lingerie system on the wire skeleton of
An important milestone in the struggle of humanity with eternal GATHERING somewhere cowards. For the sake of this victory and wire prick do not mind.
Traps for birds, combined with a trough for cats
Leo Volker, seems to be very fond of the lazy cats. Birds fly into them invented the device and through the grate in the floor of the cage fall through down - right in the cat's paws. I would like to see how he talks about his invention on ornithological conference.
The protective suit with a waste management system
Caleb Edge, Greg Thompson and Eric Felberg came to help all the people who dreamed relieve themselves while working in chemical protective suit. Waste, after going through two valves, fall into the receiver, which is detachable from the suit.