Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8025077 | Mechanical fuse to seal pipes upon unintended rupture The present invention relates to a mechanical fuse to seal pipes upon unintended rupture. When a pressure difference between a first pressure and a second pressure in a pipe is below a pressure threshold, a first spring retains a flap in a first position allowing ga... | 09/27/2011 |
| 7114519 | Normally open reverse flow flapper valve A fluid flow actuated valve for controlling the fluid flow in a conduit comprises a support structure adapted to be mounted within the conduit and at least one flap member pivotally mounted to the support structure. The at least one flap member is pivotable between ... | 10/03/2006 |
| 6615864 | Torsion spring pool cleaner reed valve A pool cleaner reed valve for a pulsating submersible swimming pool cleaner which has a valve body (22) configured to fit into a pulsating valve enclosure. The body includes a rectangular inlet end (24) and an round outlet end (26) with a pair of fulcrum ... | 09/09/2003 |
| 5992451 | Reed valve for pool cleaner An improved valve for a pulsating submergible pool cleaner having a valve body (20) with an integral relief valve (32). The valve is dual acting and utilizes a pair of opposed laminated valve plates (50) with an outward bend (52) on one end and a right an... | 11/30/1999 |
| 5592966 | Back-flow preventer The present invention is directed to a multi-cuspid back-flow preventer in the nature of a check valve that has a generally annular body portion with axially spaced upstream and downstream ends. A substantially cylindrical passageway extends through the b... | 01/14/1997 |
| 4222408 | Check valve A check valve having a body with a passage therethrough, a pair of vanes pivotally mounted within said passage so that they open and close flow therethrough responsive to flow in one direction, said vanes having an arcuate shape to create a smooth venturi... | 09/16/1980 |
| 4091835 | Autokinetic sampling nozzle A sampling nozzle is disclosed which includes an inlet valve that automatlly adjusts the opening thereof in predetermined inverse porportions to the pressures applied thereto by the fluid and/or other substances being sampled thereby. Whenever a constant... | 05/30/1978 |
