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Icon_funbox Did You Know...

...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

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Class 416/81 - Flexible working member


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein the working member comprises pliant material.
No. of applications: 2
Last issue date: 11/17/2011


Application No.Application TitleIssue Date
20110281479FLEXIBLE IMPACT BLADE WITH DRIVE DEVICE FOR A FLEXIBLE IMPACT BLADE
A watercraft having a plurality of flexible section secured to a mount, having a drive assembly, wherein the water craft can move the flexible section upwardly and downwardly to propel the watercraft through the water....
11/17/2011
20110088382DEVICE AND METHOD FOR CONVERTING WIND ENERGY
A device for converting wind energy into a reciprocating motion. The device has a sail that extends in a main wind direction and pivotally oscillates when subjected to wind. The sail is connected to a first support that is configured to move in a first direction when th...
04/21/2011
 
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