Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7354246 | Electronics cooling fan with collapsible fan blade An electronics cooling fan comprises at least one collapsible fan blade driven by centrifugal force to extend radially as the fan spins and driven by elastic force to retract as spinning slows or stops. ... | 04/08/2008 |
| 7275915 | Reinforced ceiling fan blade A reinforced ceiling fan blade in accordance with the present invention comprises an upper half fan blade and a lower half fan blade. The upper half fan blade includes a plurality of wood sheets. The lower half fan blade includes a plurality of wood sheets, and the ... | 10/02/2007 |
| 7270513 | Apparatus and method for generating power from moving water Apparatus for generating power from a water current in a body of water comprises a longitudinally extending flotation platform for maintaining the apparatus afloat in the body of water and a water turbine operatively carried by the platform for generating power in r... | 09/18/2007 |
| 7252479 | Rotor blade for a high speed rotary-wing aircraft A main rotor blade exhibiting a unique planform shape in which the blade chord increases from the root end of the blade inboard region to the outer main region of the blade, where the blade chord achieves a maximum chord at a spanwise location within the main region... | 08/07/2007 |
| 7204674 | Rotor blade for a wind power installation A rotor for a wind power installation having at least one rotor blade. The smaller the surface area on which the wind acts, that is to say in particular the rotor blade area, the correspondingly lower is the load level for which installation has to be designed and t... | 04/17/2007 |
| 7198471 | Wind turbine blade The invention relates to a wind turbine blade comprising a number of pre-fabricated strips arranged in a sequence along the outer periphery. The strips consist of a fibrous composite material, preferably carbon fibres, and consist of a wooden material, preferably pl... | 04/03/2007 |
| 7156612 | Spigot arrangement for a split impeller A spigot arrangement for split impeller (inducer and exducer) includes a recess of the exducer and means for reducing exducer blade root stresses and localized contact stresses between inducer and exducer. ... | 01/02/2007 |
| 7107941 | Safety device of collar for pet A safety device is disclosed for use with a collar for a pet. The safety device includes a central member, a first lateral member and a second lateral member. The first lateral member is for pivotal and releasable engagement with the central member. The second later... | 09/19/2006 |
| 7101153 | Fabric fan blade and fan body trim The conventional fan blade is replaced by a frame over which any of a wide range of decorative fabrics or other similar materials is drawn and secured by a clamping method to form a lightweight fan blade of any surface design desired by the user. The decorative fabr... | 09/05/2006 |
| 7100866 | Control system for a flying vehicle In one embodiment of the present invention there is described a vehicle having a propeller mechanism for propelling the vehicle in a horizontal direction. The vehicle includes a transmitter positioned on the bottom of the vehicle for transmitting a signal from the v... | 09/05/2006 |
| 7098553 | Traffic-driven wind generator A wind-capturing electrical generator device comprising a plurality of generators is driven by wind created by traffic passing in close proximity at high speeds. The device preferably uses horizontally or vertically mounted Savonius-type or helical-turbine-type roto... | 08/29/2006 |
| 7083383 | Segmented rotor blade trim tab A trim tab assembly for a helicopter rotor blade includes a plurality of metal panels that are secured to the trailing edge of a composite material helicopter blade. Each of the metal panels can be bent relative to the rotor blade to tune the aerodynamic properties ... | 08/01/2006 |
| 7014417 | Auto suction hybrid pump A hybrid pump (1) with a housing (2) comprising at least one suction port (10) and at least one pressure port (11). A rotor (5) is eccentrically arranged in the housing chamber (3) which is substantially enclosed in a circul... | 03/21/2006 |
| 7008187 | Rotor for cooling pumps, in particular for marine engines and relevant manufacturing process A rotor for cooling pumps is provided. The rotor is of the type which includes a core to be assembled on a shaft connected with an engine and a body, fitted in the core, provided with a plurality of radial tabs in flexible material. The core and the body with the ta... | 03/07/2006 |
| 6988873 | Monodirectional impeller with flexible vanes A monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor, having vanes which are deformable at least along part of their extension so as to change their curvature, when loaded, in one direction of rotation, so that the po... | 01/24/2006 |
| 6948910 | Spiral-based axial flow devices Axial flow devices using rigid spiral band profiled blade catenaries attached variably along and around an axially elongated profiled hub, of axially oriented profile section sequences 75 mapped relative to truncated cones-of-generation. Upon rotation and lub... | 09/27/2005 |
| 6910867 | Blade of a wind turbine A blade of a wind turbine is presented. This blade is provided with a root section for connecting the blade to the shaft or hub of the turbine. The blade also contains a wind-energy-absorbing profile which is optimized for wind flow. The output of the wind turbine i... | 06/28/2005 |
| 6905309 | Methods and apparatus for reducing vibrations induced to compressor airfoils A method enables a rotor blade for a gas turbine engine to be fabricated. The method comprises forming an airfoil including a first side wall and a second side wall that each extend in radial span between an airfoil root and an airfoil tip, and wherein the first and... | 06/14/2005 |
| 6312223 | Marine propeller A marine propeller includes a hub defining an axial direction of the propeller, a plurality of adjustable propeller blades disposed around the hub, and a blade setting adjusting arrangement. Each blade includes a blade-part and a root-part, the root-part ... | 11/06/2001 |
| 6182929 | Load carrying structure having variable flexibility A load carrying structure having a selectively rigid or flexible characteristic includes a thermoplastic material (7) having a softening temperature above the operating temperature range of the load carrying structure, and a heating arrangement (8) provid... | 02/06/2001 |
| 6065936 | Axial fan, method of manufacturing impeller for axial fan, and mold for manufacturing impeller for axial fan This invention provides a compact, flat axial fan which is not limited by the shape of an incorporated rotor magnet and ensures a sufficiently large air flow and wind pressure, wherein the slide (under) piece of a mold that forms the under-molding portion... | 05/23/2000 |
| 6015263 | Fluid moving device and associated method A fluid moving device (100) includes a rotatable assembly (101), and a plurality of fan blades (102-04) disposed circumferentially around and extending outward from rotatable assembly (101), at least one of plurality of fan blades (102-04) includes shape ... | 01/18/2000 |
| 6015258 | Wind turbine Wind turbine apparatus is described for converting wind energy into electrical energy. The apparatus includes a rotatable central shaft, a plurality of rotor blades attached to the central shaft, and a plurality of convex airfoils spaced around the periph... | 01/18/2000 |
| 5993158 | Method and apparatus for aeration using flexible blade impeller An impeller having flexible impeller blades with a stiffness which allows the blades to flex into a backward-curved impeller configuration at the maximum intended rotational speed of operation, and to return to a more radial blade configuration at lower r... | 11/30/1999 |
| 5931639 | Helicopter blade assembly adapted to permit rapid forward flight A helicopter blade assembly for permitting rapid forward flight in a helicopter having separate means for providing a forward impetus. The assembly has a set of rotatable blades attached to a substantially vertical mast. These blades slope downward near t... | 08/03/1999 |
| 5877566 | Submersible magnetic motor having improved rotary blades A submersible magnetic motor having improved rotary blades comprising a magnetic motor body, a magnetic rotor and a rotary impeller wherein the rotary impeller comprises a rotary hub provided with a plurality of blades which are uniformly distributed and ... | 03/02/1999 |
| 5784978 | Wind energy catchment device This invention is a wind energy catchment system using a central vertical shaft, the bottom end of which rotates and is secured to a rigid support fixed to the ground. The lower part of the shaft has radial arms secured to it, evenly spaced one from the o... | 07/28/1998 |
| 5505589 | Controllable variable twist rotor blade assembly A controllable variable twist rotor blade assembly wherein the twist along the span of the blade is continuously variable and may be controlled either manually by the pilot or automatically according to data input from flight sensors monitoring flight par... | 04/09/1996 |
| 5284419 | Propeller with blades which can be twisted Propeller with twistable blades comprising a spar with ribs which can be rotated in opposite directions about the axis of the spar by an adjusting device. A coupling device in the propeller ensures that when two ribs are rotated in opposite directions by ... | 02/08/1994 |
| 5263846 | Self-actuated rotor system The present invention discloses a main rotor collective pitch control assly for rotary wing aircraft. The assembly uses segmented rotor blades. The collective pitch of each movable segment may be independently varied, or may be adjusted in unison with on... | 11/23/1993 |
| 5207558 | Thermally actuated vane flow control Thermally actuated flow diverters for gas turbine engines are provided which include an arrangement of vanes in spaced overlapping array, which direct, e.g. coolant air flow to rotating engine components, each vane having 3 foil components joined at 3 hin... | 05/04/1993 |
| 4884948 | Deflectable blade assembly for a prop-jet engine and associated method A propeller for a prop-jet engine having a propellor blade formed as a hollow shell member whose outer surface has an aerodynamic blade profile, the propellor blade being secured to a rotor via an adjustment pin. The hollow shell member is internally brac... | 12/05/1989 |
| 4802823 | Stress relief support structures and assemblies An improved design for a structure such as a turbine vane or blade subjected to extreme temperature levels and/or gradients resulting in extreme deformation stresses within the structure. The present structures comprise an interior skeletal support having... | 02/07/1989 |
| 4720242 | Centrifugal pump impeller An impeller for a centrifugal pump is disclosed for attenuating the effects of pressure and flow surges experienced by the pump. The impeller includes a rotatable impeller shaft to which a plurality of circumferentially-spaced vanes are mounted for rotati... | 01/19/1988 |
| 4650400 | Helicopter blade pitch adjusting system A helicopter blade positioning mechanism provides collective and cyclic pitch angle adjustment of the blades independently. This mechanism is all enclosed within the blade driving axle. The pitch angle of each blade is adjusted collectively and cyclicly b... | 03/17/1987 |
| 4627791 | Aeroelastically responsive composite propeller A propeller blade made of an advanced composite of uniaxial fibers laminated in crossplies to take advantage of their high axial strength. The thinness and strength of the plies are exploited in assembling the plies at various orientations to produce prop... | 12/09/1986 |
| 4547125 | Wind turbine A wind turbine, having (a) at least one pair of sail means, each said sail means having upper and lower portions hingedly connected together to permit said portions to move away from and towards each other to thus open and close, respectively, said sail m... | 10/15/1985 |
| 4537143 | Apparatus for the stabilizing of the direction of travel of watercraft, specifically a sword or fin for sailboards The present invention relates to an apparatus for the stabilizing of the direction of travel of watercraft. The invention relates specifically to a sword or fin for sailboards. In order to allow the wind-profile like shape of the apparatus to adjust itsel... | 08/27/1985 |
| 4533849 | Ceramic bistable deflection element A bistable ceramic deflection element includes an assembly of two ceramic plates of a ferroelectric ceramic material which can be easily polarized and which has a low coercive field strength, one plate thereof being polarized so that the deflection elemen... | 08/06/1985 |
| 4480956 | Turbine rotor blade for a turbomachine especially a gas turbine engine A high-temperature, extremely high-speed ceramet composite blade comprising a ceramic blade jacket seated from above on a metallic core having a crossweb near its upper end for securing the jacket on the core by one or more metallic retaining pins extendi... | 11/06/1984 |
