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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8182227 | Wind turbine blade with lightning receptor A wind turbine blade having two shell portions bonded together to form a wind turbine blade having an interior space having an axial length. A web disposed between the shell portions in the interior space and extending substantially the axial length thereof. Lightni... | 05/22/2012 |
| 8177509 | Lightning protection system for a wind turbine blade The invention relates to a lightning protection system for a wind turbine blade, where the blade is a shell body made of a composite material and comprises a root area and a tip end. The lightning protection system comprises at least one lightning receptor arranged ... | 05/15/2012 |
| 8162610 | Active directional control of airflows over wind turbine blades using plasma actuating cascade arrays Methods of utilizing plasma actuating cascade arrays for actively controlling airflow over wind turbine blades are described herein. These methods may include providing plasma actuating cascade arrays that include dielectrics and electrodes. The electrodes and diele... | 04/24/2012 |
| 8157528 | Active directional control of airflows over rotorcraft blades using plasma actuating cascade arrays Methods of constructing plasma actuating cascade arrays for actively controlling airflow over rotorcraft blades are described herein. These methods may include providing plasma actuating cascade arrays that include dielectrics and electrodes. The electrodes and diel... | 04/17/2012 |
| 8142157 | Separable blade for wind turbine To provide a light and economical separable blade for a wind turbine that is also equipped with a lightning rod function. A separable blade for a wind turbine wherein the blade as a whole is assembled by connecting two electrically non-conductive part blades 1 | 03/27/2012 |
| 8105035 | Lightning protection system for a wind turbine rotor blade and a method for manufacturing such a blade The invention relates to a wind turbine rotor blade comprising a blade tip and a lightning protection system. The rotor blade includes at least one lightning receptor at the surface of the blade in an external distance (Lex) from the distal end of the bla... | 01/31/2012 |
| 8038401 | Wind turbine blade with a light beacon at the tip Wind turbine blade (11) with a flashing beacon on its tip which is connected to the wind turbine rotor hub (13) where this beacon includes a lighting module (21) in the tip area of the blade (11) which is supplied by a device that include... | 10/18/2011 |
| 8033791 | Blade end portion protecting bag and a rotor installing method for a wind turbine The subject of the present invention is to provide a blade end portion protecting bag which is fit onto an end portion of a plurality of blades for protecting the blade end portion from damage when the plurality of the blades are hoisted with a rotor head to the pos... | 10/11/2011 |
| 8007238 | Hanging fan with a ceiling mount structure A hanging fan with a ceiling mount structure includes a ceiling mount disc mounted to a ceiling, an external disc portion having a plurality of arc slots, a cover having a transversal extending portion, and a fixing portion disposed at the extending portion, such th... | 08/30/2011 |
| 7955054 | Internally damped blade A blade includes an airfoil portion which defines at least one cavity with a damper located within the cavity, the damper includes a corrugated surface. ... | 06/07/2011 |
| 7938625 | Blade for a wind energy plant comprising segmented conductor means for conducting lightning A method of manufacturing a fiber-reinforced blade for a wind energy plant is presented, which blade is configured with at least a blade shell and means for conducting to a lightning current to an earth connection. Novel aspects of the method comprise that the blade... | 05/10/2011 |
| 7914259 | Wind turbine blades with vortex generators An advantageous new design of a wind turbine blade and rotor is obtained by providing one, two or more parallel rows of sub-boundary layer vortex generators, whereby a blade is obtained, which is resistant to stall and provides for a high maximum lift coefficient C | 03/29/2011 |
| 7909576 | Fastening device for rotor blade component A rotor blade assembly is disclosed. The rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade assembly further includes a rotor blade component, an... | 03/22/2011 |
| 7883321 | Wind turbine rotor blade and method of manufacturing such rotor blade The invention relates to a wind turbine rotor blade comprising a blade tip and a lightning protection system. The blade includes at least one metallic lightning receptor at the surface of the blade in proximity of the distal end of the blade tip. The blade comprises... | 02/08/2011 |
| 7837443 | Wind turbine comprising enclosure structure formed as a Faraday cage The invention relates to a wind turbine comprising a rotating part including a rotor with at least one blade and a wind turbine hub with at least one enclosure structure or similar wall structure, and a stationary part including a nacelle with at least one enclosure... | 11/23/2010 |
| 7832987 | Methods of handling a wind turbine blade and system therefor A method of handling a wind turbine blade during storage, transport or mounting of the blade is presented. The method comprises the steps of: establishing at least one mounting hole penetrating the surface of the blade, mounting one or more handling means including ... | 11/16/2010 |
| 7806660 | Wind power plant The invention concerns a wind power installation, in particular a wind power installation for the offshore region. The object of the invention is to overcome the previous difficulties and avoid disadvantages, in particular also to allow people to be constantly lande... | 10/05/2010 |
| 7785073 | Method for mounting a rotor blade of a wind power installation without using a crane It has already long been known to use mobile cranes for mounting rotor blades to a wind power installation. Such cranes pick up the rotor blade at the base of the wind power installation and take it to the rotor blade connection of the hub of the wind power installa... | 08/31/2010 |
| 7766620 | Rotor blade with a lightning protection unit, wind energy system having the same and a method for constructing a rotor blade A rotor blade for use in a wind energy system is disclosed. The rotor blade includes a rotor blade body comprising a tip; a down conductor extending along the rotor blade body; a conductive part including a conductive part body attached to the rotor blade body and c... | 08/03/2010 |
| 7588420 | Customized fan blade and method of making same A customized fan blade for use in combination with a conventional fan includes a platen having a peripheral edge that is profiled to a predetermined contour. Strands overlay at least one of the sides of the platen. The strands include warp strands and interlaced woo... | 09/15/2009 |
| 7425118 | Mask for shielding impellers and blisks during automated welding A mask is provided for shielding a radially extending edge of an impeller vane during a weld repair process, where the impeller vane extends radially and axially outwardly from a shaft. The mask comprises a hub and a flange. The hub has an outer surface and an openi... | 09/16/2008 |
| 7422163 | Ceiling paddle fan with integral water mister and associated method A method and system for a ceiling fan with an integral water mister apparatus, particularly for outdoor use, includes a conventional ceiling fan having a multi-speed motor, forward and reverse directional capabilities and a plurality of rotating blades in a variety ... | 09/09/2008 |
| 7390169 | Lightning protection of a pitch-controlled wind turbine blade A wind turbine rotor including a rotor hub (3) and a plurality of blades (4), and where each blade root (16) is connected to said rotor hub through a pitch bearing (5) in such a manner that the pitch angle of the blade is adjustable by a ... | 06/24/2008 |
| 7381030 | Wind turbine shroud A vertical axis wind turbine assembly, such as a Savonius, typically mounted on a watercraft, utilizes a number of different shroud configurations to substantially preclude rotation when docked. Collapsible “curtains” mounted above the wind engaging elements, pr... | 06/03/2008 |
| 7377750 | Lightning protection system for a wind turbine In a wind turbine (104, 500, 704) having a plurality of blades (132, 404, 516, 744) and a blade rotor hub (120, 712), a lightning protection system (100, 504, 700) for conducting lightning strikes to any one of the blades and the region s... | 05/27/2008 |
| 7367777 | Fan blade air filter A filter assembly for mounting on a conventional or ceiling fan blade includes a fan blade mount, a filter mount, and an air filter. The fan blade mount has a blade mount slot formed therein that is dimensioned to slidably engage a ceiling fan blade. The filter moun... | 05/06/2008 |
| 7363674 | Fan blade cleaning tool and method The present invention is directed to a fan blade cleaning tool having a box-shaped housing. The housing has first and second openings on opposing sides, with a passage extending therebetween for receiving a fan blade. A dust gutter extends outwardly from, and adjace... | 04/29/2008 |
| 7347668 | Method and apparatus to determine the wind speed and direction experienced by a wind turbine An apparatus and a method used to determine the speed and direction of the wind experienced by a wind turbine are provided. The apparatus comprises at least one sensor fixed to the rotor of the wind turbine, an angular sensor to measure the angular position of the r... | 03/25/2008 |
| 7322881 | Exhaust device An exhaust device is used to exhaust air from inside of an apparatus to outside. The exhaust device includes a louver with blades arrayed in a lattice, the louver being detachably engaged with a trough hole in a cover of the apparatus such that the louver can rotate... | 01/29/2008 |
| 7292911 | Living assistance system In a robot operation terminal, a storage unit has a group-belonging article table that indicates articles belonging to each of groups. Upon receipt of operation information indicating an operation to be instructed to the robot through an input unit, when this operat... | 11/06/2007 |
| 7273402 | Marine motor blade system A blade system for mounting on a marine motor such as an electric trolling motor and cutting weeds, aquatic vegetation and other debris that normally entangle the submerged motor and propeller. ... | 09/25/2007 |
| 7267712 | Planar electric precipitator A plane type electric precipitator includes an electrode plate of plane shape, made of electricity-conducting material; a collecting plate, parallel to the electrode plate and made of electricity-conducting material; a plurality of electrode units, placed on the ele... | 09/11/2007 |
| 7249935 | Lightning protection means for a wind turbine A lightning protection device which is capable of avoiding electrical current, which is being induced in the blades of wind turbine, from being passed to parts of the wind turbine that may be damaged or destroyed by the electrical current. The electrical current is ... | 07/31/2007 |
| 7247000 | Weld shielding device for automated welding of impellers and blisks The present invention provides an apparatus for use in automated welding repairs, particularly those repairs intended for impellers, blisks, and similar structures. There is provided a welding shield which is shaped to fit securely within valleys of an impeller. An ... | 07/24/2007 |
| 7244290 | Electrostatic room air cleaner An electrostatic room air cleaner includes a housing having a given profile and a plurality of electrostatic precipitation collector units arrayed in the housing with a common fan to circulate room air through the plurality of electrostatic precipitation collector u... | 07/17/2007 |
| 7238007 | Rotor blade of a wind power installation, comprising a warning light The object of the invention is to provide lighting for the rotor blade tips, which is more reliable than that proposed hitherto, wherein any damage which occurs is no longer so complicated and expensive to rectify as hitherto, but can be rectified extremely swiftly.... | 07/03/2007 |
| 7220105 | Ornamental wind turbine apparatus This three dimensional ornament is designed to be suspended in outdoor situations where it is free to rotate in the wind and thereby enhance the aesthetic qualities of the area in which it is deployed and to make the wind velocity visible. The ornament is a turbine ... | 05/22/2007 |
| 7186086 | Separable blade for wind turbine A separable blade for a wind turbine, the separable blade being divided at a center part thereof in a longitudinal direction into an inner blade portion corresponding to a blade root side and an outer blade portion corresponding to a blade end portion, wherein the s... | 03/06/2007 |
| 7175815 | Fan type chemicals diffusing device A fan type chemical diffusing apparatus includes an apparatus main body having an air inlet and an air outlet, a fan type blower disposed in the apparatus main body, and an active ingredient impregnated body or mass for containing an active ingredient. The fan type ... | 02/13/2007 |
| 7161315 | Self dust-off apparatus and method thereof A self dust-off apparatus includes a fan and a controller. The fan, which can be driven to rotate clockwise or counterclockwise, is installed in a projector. The controller is employed to direct the rotational direction (clockwise or counterclockwise) of the fan. In... | 01/09/2007 |
