Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8167564 | Fan blade The present invention relates to a fan blade for axial fans with a blade body comprising an inner inlaid part and an outer blade shaped part partially enclosing said inner inlaid part. The outer blade is made of a material of lower rigidity than the inlaid part. The... | 05/01/2012 |
| 8162613 | Angled airfoil extension for fan blade An angled fan blade extension includes an attachment portion and an angled portion. The attachment portion is configured to facilitate securing the angled fan blade extension to the distal end of a fan blade. The angled portion is configured to extend from the dista... | 04/24/2012 |
| 8147204 | Aerodynamic interface component for fan blade A fan comprises a hub, a plurality of fan blades, and a plurality of interface components. Each interface component is configured to mount at the first end of a corresponding fan blade. Each interface component is further configured to simultaneously engage an outer... | 04/03/2012 |
| 8070447 | Ceiling fan A ceiling fan comprising a disc-like stator provided with a fixed shaft at the center, an annular rotor disposed in proximity to the periphery of the stator, a supporting frame fixed to the rotor and rotatably supported by the fixed shaft; a fan blade fixed to the s... | 12/06/2011 |
| 8047794 | Fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan The invention relates to a fast-positioning device for assembling blade brackets to a motor housing of a ceiling fan. The motor housing has its bottom provided with plural locations located around its circumference, which are respectively extended downward with at l... | 11/01/2011 |
| 8047795 | Fan blade mounting system A ceiling fan is disclosed having an electric motor (81) with a bottom plate (80) having two internally threaded screw mounting holes (82) associated with each blade iron (83). Each blade iron has two, elongated, arcuate mounting holes ( | 11/01/2011 |
| 7993103 | Wind turbine blades and methods of attaching such blades to a hub A wind turbine blade assembly is provided. The assembly includes at least one wind turbine blade. The blade includes a blade root portion. The assembly also includes at least one blade root hub fitting coupled to the blade root portion. The blade root hub fitting is... | 08/09/2011 |
| 7967569 | Vertical shaft wind turbine and method of installing blades therein This invention relates to a vertical shaft wind turbine, and particularly to an installation method of blades that can effectively improve the efficiency of a vertical shaft wind turbine. A supporting plane is connected to vertical shaft and a blade is installed on ... | 06/28/2011 |
| 7927076 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 04/19/2011 |
| 7909579 | Rotor head for a twin-rotor helicopter A rotor head includes a hub and two joint members. The hub has opposite tubular end portions, each formed with a socket that extends inwardly from an end face thereof along a tube axis and that has inner and outer socket sections. Each of the joint members includes ... | 03/22/2011 |
| 7857592 | Quick install blade arms for ceiling fans Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the ceiling fan motor. The user raises the mounting arm so that the flat... | 12/28/2010 |
| 7780418 | Quick assembly blade for a ceiling fan A quick assembly blade for a ceiling fan includes a blade frame, a blade and a clamping member. The blade frame is fixed therein with at least three studs spaced apart equidistantly for a fastener to be respectively locked therein. The blade has one end bored with i... | 08/24/2010 |
| 7775771 | Quick assembly blade for a ceiling fan A quick assembly blade for a ceiling fan includes a blade frame fixed inside with at least three studs respectively for a fastener to be inserted therein. A blade to be secured on the blade frame is bored with three assembling holes at the locations corresponding to... | 08/17/2010 |
| 7771172 | Quick assembly blade for a ceiling fan (4) A quick assembly blade for a ceiling fan includes a blade frame, one stop member, a blade and a press board. The blade frame has a pan-shaped body fixed with three projecting bases protruding upward. The blade and the press board are respectively and correspondingly... | 08/10/2010 |
| 7766622 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 08/03/2010 |
| 7762782 | Quick assembly blade for a ceiling fan (2) A quick assembly blade for a ceiling fan includes a blade frame, a blade and a press board. The blade frame has at least three studs respectively secured thereon with a fastener to be fitted in the insert holes of the blade and the engage holes of the press board. T... | 07/27/2010 |
| 7527478 | Fan blade mounting system A ceiling fan blade iron includes a blade mounting portion 23 with a top surface 26 facing the ceiling, a movable blade fastener 24, and two fixed or stationary mounting catches 27 coupled to and extending from the top surface 26. ... | 05/05/2009 |
| 7402025 | Fan blade assembly A fan blade assembly includes a fan blade and a blade iron. The proximal end of the blade iron is configured for securement to a conventional, commercially available fan motor. An openwork defines the perimeter of the fan blade. A decorative cover spans and is secur... | 07/22/2008 |
| 7396210 | Quick install blade arms for ceiling fans Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the ceiling fan motor. The user raises the mounting arm so that the flat... | 07/08/2008 |
| 7384242 | Impeller blade and fan An impeller blade includes an elongate impeller blade body having opposing proximal and distal ends, opposing first and second edges extending from the proximal end to the distal end, and opposing upper and lower sides. The lower side includes a major generally conc... | 06/10/2008 |
| 7381029 | Multi-piece wind turbine rotor blades and wind turbines incorporating same A multisection blade for a wind turbine includes a hub extender having a pitch bearing at one end, a skirt or fairing having a hole therethrough and configured to mount over the hub extender, and an outboard section configured to couple to the pitch bearing. ... | 06/03/2008 |
| 7360995 | Vertical axis windmill A vertical axis windmill in which a support frame is provided as a wind power dam to form a plurality of shaft-installation sections, and in which a plurality of vertically long blades each of which has a tilted part at the upper and lower ends respectively are disp... | 04/22/2008 |
| 7351037 | Y-connect fastener for ceiling fan blades A Y-connect fastener (210) is provided for firmly fastening ceiling fan blades (26) to mounting brackets (20). A plurality of protuberant members (32) extend upwardly from the mounting brackets (20), and have head portions (72 | 04/01/2008 |
| 7322798 | High structural efficiency blades and devices using same A blade for a rotor has integral stiffeners with at least one of unidirectional caps configured to carry blade bending loads in axial tension or webs to carry transverse shear resulting from blade bending. ... | 01/29/2008 |
| 7300254 | Ceiling fan blade with decorative insert An improved transparent blade for a ceiling fan that includes a decorative insert is disclosed. The complete blade assembly provides a blade support, screw holes, and a blade field, which contours the interior area of the topside of the blade. The blade provides an ... | 11/27/2007 |
| 7281899 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 10/16/2007 |
| 7278620 | Fixture mounting assembly A fixture mounting assembly and method according to which a coupling member is attached to the fixture, and a down-rod is pivotally mounted to the coupling member and is mounted to the ceiling. ... | 10/09/2007 |
| 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 |
| 7260861 | Pallet-ramp coupling apparatus and method An apparatus, system, and method are disclosed for integrating the steps of securing and aligning a ramp to the pallet. A pallet mounting bracket secures to a pallet and mates with a corresponding ramp mounting bracket secured to a ramp. A pallet mounting bracket in... | 08/28/2007 |
| 7252478 | Fan blade modifications A winglet includes a vertical member and a mounting member. The mounting member is configured to facilitate the mounting of the winglet to the tip of a fan blade. The vertical member is configured to extend perpendicularly relative the tip of a fan blade. Adding win... | 08/07/2007 |
| 7246998 | Mission replaceable rotor blade tip section A rotor blade includes a removable blade tip section which is mounted to an outboard rotor blade section by mechanically mounting a tip spar to a main blade spar with a spar interface section which bridges a butt joint between the blade spar and the tip spar. The sp... | 07/24/2007 |
| 7244179 | Suspension type oscillation mechanism A suspension type oscillation mechanism including a frame set having an upper frame with a frame hole, a casing secured to the frame set, a crank set, an axial barrel and a fastening rod. The crank set has cranks rotationally joining to each other and an end of the ... | 07/17/2007 |
| 7223078 | Rotary plate fastener for ceiling fan blades A rotary plate fastener (24) is provided for firmly fastening ceiling fan blades (26) to mounting brackets (20). A plurality of protuberant members (32) extend upwardly from the mounting brackets (20), and have respective head port... | 05/29/2007 |
| 7175392 | Ceiling fan motor with stationary shaft A ceiling fan motor includes a motor housing having an end wall and a side wall; a stator assembly mounted within the housing; a rotor assembly mounted within the housing to rotate relative to the stator assembly; and a fan blade hub adapted to have fan blades mount... | 02/13/2007 |
| 7165941 | Method and apparatus for use in construction of wind power installation and wind power installation employing same One aspect of the present invention concerns a process for mounting rotor blades to a rotor hub of a wind power installation in situ. In order to avoid high torques in the mechanical train of the wind power installation in the operation of mounting the rotor blades,... | 01/23/2007 |
| 7165938 | Fan device for removing heat from heat sources A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a side of the casing. The fan unit includes a first ring and a motor i... | 01/23/2007 |
| 7163377 | Apparatus and method for mounting a ceiling fixture An apparatus and method for mounting a fixture to a ceiling according to which a tubular retainer extends in an opening of an arm and a fastener extends through the retainer and is retained by the retainer. The fastener is adapted to engage a device at the ceiling t... | 01/16/2007 |
| 7157872 | Ceiling fan with outer-rotor DC brushless motor A ceiling fan with an outer-rotor type DC brushless motor has a center base with multiple blades and a DC brushless motor as a driving source for the fan. The DC brushless motor includes a controller, magnetism sensors, a stator with stator windings and a rotor asse... | 01/02/2007 |
| 7134844 | Install blade bracket for a ceiling suspended fan A install blade bracket for a ceiling suspended fan comprises: a discal seat is disposed at a bottom of the rotary assembly, the discal seat is formed with a recess, in the recess are defined a plurality of locking cavities and a plurality of receiving cavities, a p... | 11/14/2006 |
| 7125225 | Cooled rotor blade with vibration damping device A rotor blade for a rotor assembly is provided that includes a root, an airfoil, and a damper. The airfoil has a length, a base, a tip, a first side wall, a second side wall, and at least one cavity. The length extends the base and the tip. The at least one cavity i... | 10/24/2006 |
