An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5313868 | Transport platform and mine exploder A service platform for transport within an area wherein an explosive device is present. A remotely controlled tractor provides the primary motive force for moving the service platform through the explosion-prone area. Because of the danger personnel might... | 05/24/1994 |
| 5295537 | Sand separating, producing-well accessory A sand separator is used in a well from which particulate bearing liquids are extracted into tubing for transport up the tubing. The separator causes the fluid bearing particulate matter to be accelerated. This acceleration in turn causes the particulate ... | 03/22/1994 |
| 5288003 | Flexible, car-top-transportable carrier for aerodynamically streamlined cars A car-top-transportable baggage carrier is particularly suited for use on aerodynamically streamlined cars which have no rain gutters. The carrier is made from a single continuous piece of material so that no seams or joinings in the material are produced... | 02/22/1994 |
| 5284261 | Baby bottle air vent An insert for a nursing bottle is disclosed. It is placed between the bottle and the nipple. The insert has a channel that communicates with the air passage holes in the nipple. The channel itself has air passage holes that are sized to allow air into the... | 02/08/1994 |
| 5272956 | Recoil gas system for rifle In an automatic weapon system such as the AR-15/M-16, the passage of propellant gas-carried heat, powder residues, and dirt to the bolt carrier and the upper receiver of the weapon is eliminated. The standard recoil spring housed in the buttstock of the w... | 12/28/1993 |
| 5263207 | Handicapped bather's lift for home bathroom An economical simple to install bathing lift for use by handicapped persons in the home bathroom includes a hydraulic jack which has a seat rotationally coupled to the jack shaft and is slidingly coupled to a vertical slide shaft. Preferred is a hydraulic... | 11/23/1993 |
| 5237724 | Hinge pin swing stop A hinge pin swing stop which is coupled to the hinge pin of a door hinge or other hinged object and acts to limit the rotating swing of that object about the hinge. The swing stop can include a section which acts as the replacement hinge pin, a first exte... | 08/24/1993 |
| 5231971 | Bow center set, nock set and tiller gauge A bow tuning tool has two coupling mechanisms. The first of these coupling mechanisms makes coupling contact with the archer's bow. The second makes coupling contact with an arrow shaft. By coupling the arrow shaft to the tool and bringing the tool into c... | 08/03/1993 |
| 5211092 | Cutting facility with air float table An improved wood working facility has a table saw which is operated in combination with a table saw extension table. The extension table is provided with an array of orifices through which air is ejected to provide a buoyant support for boards and sheet m... | 05/18/1993 |
| 5195997 | Incontinent's aid A urine collection vessel is coupled to the body of a person by means of a partial vacuum created within the collection vessel. An air flow valve at the output of the vessel is adjustable to control the degree of a partial vacuum created within the vessel... | 03/23/1993 |
| 5195282 | Low cost-modular element housing What has been disclosed are the means and method for erecting a structure of preformed, interlocking structural elements which may be assembled by unskilled workmen. The preformed structural elements are provided in selected color and texture and include ... | 03/23/1993 |
| 5185974 | Ducted frieze vent A ducted frieze vent which creates a duct-way for the free flow of air beneath the roof sheathing and between a pair of roof rafters and into the space beneath the building's roof. The frieze board employed has a sufficient thickness to accept a nail driv... | 02/16/1993 |
| 5180205 | Trailer assembly and method An improvement on a towing assembly of a 5th wheel trailer and a pick-up truck which has a 5th wheel hitch in its bed. The improvement is a tapered, streamlined, aerodynamic extension at the front of the 5th wheeler trailer. In addition to reducing the po... | 01/19/1993 |
| 5176124 | Smoke free barbecue cooker A smokeless, non-polluting barbecue cooker has a base canister with a centrally located firebox which communicates with a flue to conduct heat, produced from burning fuel within the firebox, upwards to an oven enclosure supported by the base canister. The... | 01/05/1993 |
| 5174343 | Pesticide application system eliminates manual pumping operations and reduces handling of pesticide concentrates An improved pesticide application utilizes a relatively large replenishment tank to store several working days requirements of pesticide solution at a relatively high pressure head. Both solution and pressure head, portions thereof, are transferred to a p... | 12/29/1992 |
| 5164700 | Bus improvement avoids front tire and body damage In a motor vehicle, for example a bus, sight and sound signals cause the motor vehicle driver to move the motor vehicle steering wheel to avoid a collision of the front or rear tire with the curb adjacent which the driver is parking the motor vehicle, or ... | 11/17/1992 |
| 5154001 | Tool and method for establishing an arrow's balance point An arrow balancing tool is used in establishing the optimal balance point on an arrow to produce the most efficient flight characteristics in accord with manufacturer recommendations. Assuming that the optimal balance point will fall toward the nose end o... | 10/13/1992 |
| 5150838 | Lawn sprinkler system An improved method for installing lawn sprinkler systems wherein a flexible interconnection line is inserted between the sprinkler head and the water supply line. The flexible interconnection line is preformed having a bend at each end thereof, the bends ... | 09/29/1992 |
| 5151027 | Orthodontic device for small animals A veterinary orthodontic fixture useful in correcting lingual displacement of the mandibular canine teeth of an animal. When the fixture is in place, inclined biting planes coupled to the maxillary cannies cause a buccal displacement of the mandibular can... | 09/29/1992 |
| 5139070 | Shade for arched openings using slide rotator-arm hinge An arched window opening may be shaded by rotating a shade through a segment of an arc. The slide rotator-arm hinging of the shade to permit its rotation from a position in which an accumulation of shading material is present beneath the hinge to one in w... | 08/18/1992 |
| 5135723 | Flueless combustion system for trash and waste conversion A flueless combustion system which accepts materials nominally designed as trash and waste, including the solid and gaseous combustion products of the system itself, and converts these materials and combustion products to marketable products. Pyrolytic co... | 08/04/1992 |
| 5123664 | Snap lock, step in, replacement skate runner A skate shoe to which a replacement runner may be rapidly, removably coupled. No manual manipulation of locking devices is required. A first end of the runner is pivotally coupled to the shoe's base via a slot and pin arrangement. The second end of the ru... | 06/23/1992 |
| 5115700 | Strap wrench A strap wrench made up of a semi-rigid, form retaining, planar strip wrap around. This wrap around is formed into a shape retaining loop, the opening of the loop being readily adjustable. Because of the semi-rigid, form retaining characteristics of the wr... | 05/26/1992 |
| 5114369 | Water skier's safety system A water safety system to be carried on the person of a water skier. The water safety system occupies a minimal packing envelope and includes a signal flag borne by an extendable flag pole. The flag and flag pole assembly are readily accessible to the skie... | 05/19/1992 |
| 5096228 | Notched I.D. card What has been disclosed herein represents an improvement in the existing system whereby identification cards are carried about the person in a manner in which, under the prior art, access to individual identification cards was difficult. The improvement c... | 03/17/1992 |
| 5094028 | Termite blocking system A termite blocking system which introduces a non-toxic, termite repelling, hygroscopic material, such as salt, into the pathway of subterranean termites. By ingesting the salt and coming into contact with the salt laden soil, the termites are repelled. If... | 03/10/1992 |
| 5092223 | Muzzle brake and flash hider An improved muzzle brake having a generally upward opening void from which escaping gases create a downwardly directed reaction force and a sloping face on which the propelling gases collide and expand and deflect to either side and upward of the muzzle b... | 03/03/1992 |
| 5085075 | Device simulating a running bird A device which simulates a running bird, similar to a Road Runner. The device is an assembly of body, tail, neck and head. The tail and neck are pivotally coupled to the body and linked together so as to move together in a complementary fashion. The head ... | 02/04/1992 |
| 5083955 | Aquatic recreational towing devices Apparatus for exerting a towing force on an aquatic recreational towing device in the initial stages of towing the device while a rider thereon positions himself for purposes of riding on and maneuvering the device as it is drawn over a water surface at h... | 01/28/1992 |
| 5074124 | Cooled air environment for air conditioners The apparatus for creating a reduced temperature air surround about a refrigeration type air conditioner. The reduced temperature air surround is interposed between the air conditioner and the environment, ambient temperature air surround. The apparatus f... | 12/24/1991 |
| 5041815 | Golf bag security alarm system What has been disclosed is a golf bag alarm system which actuates an alarm when a thief attempts to remove the golf bag without authorization. In a weight sensitive embodiment of the invention, even the attempt to remove a golf club from the bag will caus... | 08/20/1991 |
| 5027456 | Gentle restraint for in-bed patient A gentle restraint for use in inhibiting a person from leaving a bed, either accidentally or intentionally. The restraining forces are provided by a resilient covering which yields and stretches in accord with the movements and position of a person lying ... | 07/02/1991 |
| 5006226 | Fluidized, dry bed, ore concentrator A fluidized, dry bed, ore concentrator in which a uniform air stream is utilized to fluidize ore particles within a region defined in part by two, moving, riffled surfaces. The particles are statically charged to enhance separation of particles within the... | 04/09/1991 |
| 5000044 | Fluid level sensor A pivoted float contains a solid-state inclinometer which produces sensitive electrical output responsive to angular displacement of the float from the direction of gravity. The float is capable of resolving very small changes in liquid level in a vessel,... | 03/19/1991 |
| 5000339 | Flip-top gas cap A flip-top replacement gas cap for replacing conventional screw-on caps provided as original equipment with present day motor vehicles. Two embodiments of the invention are disclosed. The first is a manually actuated device. The second is a key actuated d... | 03/19/1991 |
| 4978249 | Safe, fluid-storage system A system for the safe storage of fluids, such as fuels or other toxic materials. A fluid storage tank is accessibly housed within a water tight, reinforced concrete, underground compartment. Piping and electrical lines run through an accessible, water tig... | 12/18/1990 |
| 4974761 | Slot bag, gambling accessory A slot bag gambling accessory which improves the operating methodology practiced in gambling establishments wherein coins for use with the gambling apparatus are provided to the customers in cups for transport about the gambling establishment. This improv... | 12/04/1990 |
| 4961568 | Exercising and stretching a person's finger joints An apparatus which permits the index and middle finger of the hand to be spread apart in a manner to stress the finger joints. The joint may then be exercised while in its stressed condition so that the joint is strengthened at the same time as it is made... | 10/09/1990 |
| 4961477 | Wheel chair transporter A wheelchair transporter for transferring a handicapped person, while seated in a wheelchair, from a ground level into an operative position on a motorcycle. The wheelchair is intended for independent use, but is designed to couple with a glide track on t... | 10/09/1990 |
| 4951996 | Musician's portable seat A portable seat having a stable three-legged frame, one leg of the frame being bifurcated with each of its bifurcations being coupled such that the remaining two legs may be drawn close to or away from each other. A seating element is releasably coupled t... | 08/28/1990 |