U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 244/73B - Vacuum induced by radial flow


Subclass of Class 244 - Aeronautics and astronautics
No. of patents: 15
Last issue date: 04/17/2007


NumberTitleIssue Date
7204672Multi-modal forced vortex device
A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro...
04/17/2007
7147183Lift system for an aerial crane and propulsion system for a vehicle
The present invention provides an improved lift system for an aerial crane incorporating a wing, coanda and curved surface. The arrangement of the wing, coanda and curved surface use and induce airflow to create additional lift through an increase in airflow mass, d...
12/12/2006
6666403Force-producing apparatus
A force-generating device employing a flared body and a surrounding shroud to define a duct of axially diminishing flow area defining a nozzle for accelerating and directing the discharge of a fluid at a cambered vane, a pressure dam depends from the bott...
12/23/2003
6375117Flying vehicle and method
A vertically ascending flying vehicle and method. The flying vehicle consists of a body, which may be in the shape of a saucer or an airfoil, and an engine located above the body. The engine generates thrust downward onto the top of the body. That thrust ...
04/23/2002
5829714Aerolift mechanism
A free movement, lift mechanism employing a spinning disc utilizing Bernoulli's Theorem and the derivative Coanda and Couette effects augmented by centrifugal force. Lift control is provided by variation in rotational velocity of the disc, by variation in...
11/03/1998
5328131Vector rotary wing ensemble
A system for producing vertical lift has a substantially rigid upper rotating disk (44) of dense solidity ratio whose discharge air flow is centrally routed via a vertical vortex shaft (24) to coact with lower coaxially rotating airfoil (34) and duct fan ...
07/12/1994
5203521Annular body aircraft
An aircraft having an annular body, defining a central passageway; an upper deflector, a lower collector and a fluid drive in the passageway. Air is accelerated by the fluid drive and circulates around the annular body. The collector divides the circulati...
04/20/1993
5178344VTOL aircraft
A VTOL aircraft (100) is provided having a plurality of rotor blade sets (2) disposed at least partially beneath the fuselage (1). The aircraft is propelled vertically by means of the thrust generated from the rotating sets of rotor blades (2), and augmen...
01/12/1993
5054713Circular airplane
The invention is a circular airplane with an oblately spheroidal body which derives lift from a wall or ribbon jet exhausting over its upper surface. The jet is produced by a mixed flow fan driven by an internal combustion or gas turbine engine within the...
10/08/1991
5031859Lift-producing machine or device
A thrust-producing device comprises a body having a surface and a periphery and disposed in a first fluid; a generator for imparting energy to a second fluid; and a distributor connected to the generator, disposed adjacent the surface, for distributing th...
07/16/1991
4941628Lift generating apparatus, in aircraft employing the lift generating apparatus, and a lift generating method
Disclosed is a lift generating appartus for an aircraft which includes a generally circular principal wing with its peripheral portion bent downward, forming a bowl-shaped space opening downward; a high-pressure gas producing device provided on the princi...
07/17/1990
4674708Amphibious discoidal aircraft
An aircraft comprising a discoidal fuselage having a planar upper surface and containing at least one vertical duct extending longitudinally therethrough, an impeller located within the duct for producing an upward flow of gas, and a gas flow director mov...
06/23/1987
4566699Flying apparatus and method
A novel and improved heavier-than-air flying craft (20) is the subject matter of this patent application. The craft (20) includes an airfoil (22), over an upper wall (28) of which multiple fluid streams are directed. The craft (20) can include a multiplic...
01/28/1986
4301981Aircraft with rotary wing
An aircraft is provided with a wing in the form of an annulus having an airfoil shape in radial section, the wing being concentrically mounted on a vertical axle shaft which in turn is rotatably carried by a mounting on the fuselage. Rotation of the wing ...
11/24/1981
3972494Vehicle air screen apparatus
A land, water or air vehicle has a jet air stream unit mounted in front with a plurality of distributed jets generated immediately preceding the front wall portion of the vehicle to reduce the opposing pressure as well as the mass of air with the resultin...
08/03/1976
 
Sign InRegister
Username  
Password   
forgot password?