Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 8016244 | Active systems and methods for controlling an airfoil vortex Active systems and methods for controlling aircraft vortices are disclosed. An apparatus in accordance with one embodiment is directed to an aircraft system that includes an airfoil having first and second oppositely facing flow surfaces and a tip. The system can fu... | 09/13/2011 |
| 7597289 | Apparatus and method for the control of trailing wake flows A system and method for dissipating vortices that form at the wingtips on aircraft and from other airfoils. A jet air stream is discharged in a location at or proximate to the outer end portion of the airfoil into the vortex flow, and the jet air stream is moved cyc... | 10/06/2009 |
| 7354247 | Blade for a rotor of a wind energy turbine A blade for a rotor of a wind energy turbine includes opposite upper and lower faces, opposite leading and trailing edges connecting the upper and lower and at least one air outlet opening arranged on at least one of the upper face, the lower face and the trailing e... | 04/08/2008 |
| 7316371 | Method and device for steepening a landing approach of an aircraft To control and particularly steepen the landing glide path of an aircraft, a respective aerodynamic component mounted on each wingtip includes a fixed plane member and a pivotable control element pivotally connected to the fixed plane member. The pivot axis is perpe... | 01/08/2008 |
| 7275722 | Wing tip device An aircraft comprises a wing tip device, for example a winglet, a raked-tip device, a wing tip fence or a planar wing extension, mounted in the region of the tip of a wing on the aircraft. The wing tip device is rotatably moveable between a first position and a seco... | 10/02/2007 |
| 7270214 | Method and apparatus for reducing and extracting wing-tip vortex energy The present invention provides an apparatus and a method for reducing wing-tip vortex energy during seismic exploration. The apparatus includes a vortex concentrator of deployed proximate a tip of a hydrofoil and a vortex reducing device deployed proximate the vorte... | 09/18/2007 |
| 7134631 | Vorticity cancellation at trailing edge for induced drag elimination Wing tip vortices are evident from airliner vapor trails, and helicopter blade slap. Elliptically loaded high aspect ratio tapered wings have minimum induced drag but cannot eliminate it. Different methods are disclosed herein, for upper and lower surface boundary l... | 11/14/2006 |
| 7070148 | Aerodynamic component for controlling a landing guide path of an aircraft An aerodynamic including a main body and a control member. The main body is configured to be connected to a wing of an aircraft. The control member is connected to the main body, the control member including a fixed member secured to the main body and a pivotable me... | 07/04/2006 |
| 7017862 | Wake vortex visualizer for an aircraft A wake vortex visualizer for an aircraft having a selfcontained device that is installed within the wing tip to emit a smoke-like trail from the wing tip automatically by the use of simple ball check valve connected between an orifice on the wing tip and a tank of v... | 03/28/2006 |
| 4533101 | Wingtip vortex propeller A device which increases the energy efficiency of aircraft wherein a wingtip pusher propeller 12 is positioned aft of the wingtip 18 to rotate in the crossflow of the wingtip vortex. The propeller 12 rotates against the vortex swirl creating additional th... | 08/06/1985 |
| 4478380 | Wing tip vortices suppressor A wing tip vortices suppressor utilizing a scoop having an inlet at the lower, leading surface of the wing and an outlet at the upper, trailing surface to reduce turbulence causing pressure differential across the wing. A turbulence fence is used at the t... | 10/23/1984 |
| 4045144 | Wind energy concentrators The herein described horizontal and vertical wind energy concentrators are structurally simple and light and are capable of concentrating the wind energy at least six times with very high efficiency. This permits a corresponding reduction in the frontal a... | 08/30/1977 |
| 4040578 | Rotor vortex control This invention is for rotating machines of all types such as helicopters, propellers, compressors, to be equipped with slotted tube or a tube with series of holes extending outwardly in the spanwise direction near the trailing edge of a jet-circulation-co... | 08/09/1977 |
| 3997132 | Method and apparatus for controlling tip vortices A jet engine disposed at and preferably in front of the tip end of an airplane wing with exhaust flow intercepting and rotating counter to tip vortex flow to reduce vortex induced drag, the angle of rotation of exhaust flow being cyclically variable to di... | 12/14/1976 |
| 3974986 | Aircraft wing vortex deflector An aircraft wing vortex deflector constituting means for intercepting at least a part of the spiral flow of air around the tips of the wings during flight and directing the intercepted air rearwardly in a manner and direction tending to dissipate vortices... | 08/17/1976 |
| 3936013 | Vortex control This invention is for wings of all types, such as fixed wings for aircraft and hydrofoil boats, and rotary blades (or wings) for helicopters and turbines, to be equipped with a slotted tube, or a tube with series of holes extending outwardly in the spanwi... | 02/03/1976 |
