Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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.
| Number | Title | Issue Date |
| 8132324 | Split fan wheel and split shroud assemblies and methods of manufacturing and assembling the same Devices and systems for transporting a material suspended in a fluid, e.g., pulverized coal, that can be assembled about a rotary element are disclosed. The devices and systems comprise a first portion or half of a fan wheel assembly, a second portion or half of a f... | 03/13/2012 |
| 7963034 | Assembly of a labyrinthe seal support on a turbine machine rotor A method of attaching a labyrinth seal support to a turbine engine shaft is disclosed. The method includes inserting axial bolts to secure the labyrinth seal support, the shaft and a device for driving the turbine module with the shaft, and screwing tightening screw... | 06/21/2011 |
| 7516547 | Dovetail surface enhancement for durability A gas turbine engine blade having a dovetail with an enhanced surface for durability is disclosed. The blade includes an airfoil section and a dovetail section disposed opposite the airfoil section. The dovetail section has an outer surface, at least a portion of wh... | 04/14/2009 |
| 7464461 | Method of making gaskets and gasket-like devices A gasket for sealing between a wall and a gasket support surface, such as between an oven housing and an oven door. The gasket includes a clip, the clip typically being made from a single strand of wire. The wire is bent into a head and a base, the base for engaging... | 12/16/2008 |
| 7414839 | Heat dissipation device having a fan holder for attachment of a fan A heat dissipation device comprises a heat sink, a fan, and a fan holder. The heat sink includes a base and a plurality of fins arranged on the base. The fan includes a frame having an engaging flange at each corner thereof. The fan holder configured for attaching t... | 08/19/2008 |
| 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 |
| 7384241 | Fan with ring and method of producing the same To provide a method of forming a fan with ring in one piece from a single metal plate and to provide the fan formed using the method, the metal plate is plastically worked into a shallow pan shape so as to form a cylindrical ring portion 1 on the periphery. A... | 06/10/2008 |
| 7353603 | Method for mounting rotor blades to a rotor hub of a wind power installation A method of mounting rotor blades to a rotor hub which is connected to a pod of a wind power installation, includes the following steps: rotating the rotor hub into a predetermined first position, fitting a rotor blade, rotating the rotor hub by means of the rotor b... | 04/08/2008 |
| 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 |
| 7192253 | Method for producing a fan wheel and fan wheel produced by this method A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) pro... | 03/20/2007 |
| 7189061 | Cooling fan for vehicles A cooling fan having a circumferential ring. In ordinary fans of this type, deformation of fan blades causes the ring to buckle inward at locations between the blades. In one form of the invention, mass is added to the ring between the blades to counteract the buckl... | 03/13/2007 |
| 7186072 | Recirculation structure for a turbocompressor A recirculation structure for turbo-compressors has an annular chamber that is positioned in the area of the free blade ends of a rotating blade ring and that radially borders the main flow channel, and has a multitude of guide vanes arranged in the annular chamber ... | 03/06/2007 |
| 7134203 | Method and system for vibration dampening A method and system dampens vibrations associated with a device installed in a system by supporting the device with one or more support members having a rigid support portion and a dampening support portion made from an elastic material. In one embodiment, an inform... | 11/14/2006 |
| 7124487 | Method for controlling carbon formation on repaired combustor liners A method for controlling combustor liner carbon formation on repaired combustors includes making modular effusion panel subassemblies remote from the combustor liner; removing a non-effusion or damaged panel from the combustor liner; and replacing the non-effusion o... | 10/24/2006 |
| 7083387 | Axial flow fan An axial flow fan. The axial flow fan includes an impeller, an annular structure, and a plurality of connecting elements. The impeller has a plurality of blades, arranged radially. Each blade has an outer periphery. The outer periphery has a top portion. The annular... | 08/01/2006 |
| 7059833 | Method for improvement of the efficiency of a wind turbine rotor A method for the improvement of wind turbine rotor efficiency blades of a wind turbine rotor with serrated trailing edges each having a plurality of span-wise, periodic indentations, in the form of saw teeth having approximately 60 degrees included angles between ad... | 06/13/2006 |
| 6883233 | Fan guide A fan guide including a guide body, a central frame positioned at a central portion of the guide body and having an outer circumferential region, a plurality of motor fixtures formed at the outer circumferential region of the central frame for fixing a motor coupled... | 04/26/2005 |
| 6884035 | Fan blade attachment A ceiling fan comprising a plurality of fan blades, each positioned in a slot of a corresponding bracket attached to a rotatable hub. For each fan blade, a brace connects a mid-section of the fan blade to the corresponding bracket. The brace and bracket increase the... | 04/26/2005 |
| 6802694 | 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... | 10/12/2004 |
| 6485260 | Fan assembly and method of making same A fan assembly has a fan housing defining mounting apertures, a sheet metal mounting member for mounting the fan housing thereon, mounting tabs extending outwardly of the mounting member and received within the mounting apertures of the fan housing, and t... | 11/26/2002 |
| 6116856 | Bi-directional fan having asymmetric, reversible blades A bi-directional fan includes asymmetrically-shaped fan blades wherein, at each transverse cross-section of the blade, the profile of the blade includes a leading portion lying on one side of a straight line connecting the leading and trailing edges of th... | 09/12/2000 |
| 6056856 | Blower for an air/water separator in a paper-making machine A paper-making machine includes a wet end associated with a wet fiber web, a headbox having an outlet gap, and a forming fabric positioned adjacent to the outlet gap and moving in a direction of web travel. An air/water separator is positioned in associat... | 05/02/2000 |
| 5944487 | Blade ring attachment system A ceiling fan blade attachment system for attaching a ceiling fan blade ring to a rotatable electric drive motor mounting surface. The blade ring and motor mounting surface include cooperating elements that enable the blade ring to be suspended adjacent t... | 08/31/1999 |
| 5941688 | Fibre-reinforced rotor stage for a turbomachine A turbomachine rotor stage having a thin annular body comprising a metal alloy part reinforced by at least one fibrous ring which has a radial height h of at least 1.5 times its axial width l and which is embedded in the metal alloy part so that it projec... | 08/24/1999 |
| 5925960 | Electric motor An electric motor comprises a stator having a plurality of conductive windings radially spaced about a central axis. The motor includes a rotor located radially inward of the stator and rotationally fixed with respect to a shaft disposed along the central... | 07/20/1999 |
| 5600886 | Method of making vortex flow blower and vane wheel therefor A vane wheel driven by a shaft for transferring a gas, comprises, vortex flow chambers opening in a direction substantially parallel to the shaft to receive the gas, to urge the gas in a substantially circumferential direction of the vane wheel, and to ge... | 02/11/1997 |
| 5573376 | Bladed device and method of manufacturing same An apparatus is provided that includes a bladed device having a hub which is rotatable about an axis and one or more blades attached to the hub by self-energizing, self-locking, insertion and retention features which are formed integrally with the blade a... | 11/12/1996 |
| 5501010 | Method of assembly for a fan An improved method of assembling a fan (31) and a fan drive (11) is disclosed in which a bolt (25) is threaded into each of the bores (23) defined by the body (13) of the fan drive. Each bolt is positioned such that the head portion (29) is separated from... | 03/26/1996 |
| 5471743 | Method of disassembling a gas turbine engine power plant A method and apparatus which facilitate separation of a gas turbofan powerplant into modules for shipping, maintenance and repair is disclosed. Various construction details are developed which provide means for mounting a fan cowling to an engine core in ... | 12/05/1995 |
| 5401138 | System for fastening a hollow extruded blade for an axial-flow fan to the inserted shank of the blade A hollow extruded axial flow fan blade which includes two internal longitudinal reinforcing elements (ribs) perpendicular to the blade profile and in which are inserted through bolts for fastening the blade to a round supporting bar inserted longitudinall... | 03/28/1995 |
| 5330040 | Ringed cover and seal for a viscous fluid clutch and method of making A viscous fluid clutch includes a cover having an airflow ring. The airflow ring can be formed integrally with or separately from the cover. Concentric inner and outer walls are attached to each other by radially spaced fins. A cooling passage for airflow... | 07/19/1994 |
| 5327647 | Method for setting pitch on a windmill airfoil Setting pitch on a windmill airfoil having a longitudinal axis, a rotor blade and a rotor base secured to the rotor blade is accomplished by marking a windmill rotor hub for receiving the rotor base with a reference mark at a location corresponding to a f... | 07/12/1994 |
| 5326226 | Continuous curve high solidity hydrofoil impeller A high solidity impeller has a number of equally spaced blades, each formed from a sheet that is bent to a continuous cylindrical curve along a roll axis that lags (in the rotation direction) the radius at which the blade is attached to the shaft. The bla... | 07/05/1994 |
| 5123814 | Industrial cooling tower fan blade having abrasion resistant leading edge An elongated, flexible protective urethane member is bonded and firmly affixed to the leading edge of a glass fiber reinforced polyester skin fan blade for large diameter industrial water cooling tower fans. The polyester blade without such protective mem... | 06/23/1992 |
| 5088742 | Hydraulic seal and method of assembly A radially inwardly extending annular flange (47) is integral with an annular portion (26) of an outer shaft (23). The annular flange (47) forms an oil weir in operation. A radially outwardly extending annular sealing member (56) is mounted on an annular ... | 02/18/1992 |
| 4757587 | Propeller construction of an electric fan A fan assembly includes a propeller fixedly mounted on a shaft. The propeller has a rear side where fluid enters and a front side where fluid exits. The propeller has blades with an arcuate rib located on the front side of each blade. The arcuate rib may ... | 07/19/1988 |
| 4715784 | Blade support hub for an axial fan A blade support hub of hollow circular ring structure for an axial fan, constituted essentially of two opposing parts rigidly fixed together by bolts, the hollow circular ring structure being provided with circular cavities for inserting the fan blade sha... | 12/29/1987 |
| 4610601 | Method of making axial fan impeller The axial fan produced by the novel method may have a cylindrical shroud, an impeller mounted coaxially within the shroud, and a bell-shaped deflector extending across the exhaust to redirect the airflow toward radially outward directions. A malleable bla... | 09/09/1986 |
| 4602410 | Guide vane ring for a return flow passage in axial fans and a method of producing it A guide vane ring for a return flow passage in axial fans comprises a ring (3) intended for placing in the return flow passage (4) coaxial with the impeller (6). A plurality of guide vanes (7) are formed integral with the ring and distributed round its ex... | 07/29/1986 |
| 4478552 | Method and apparatus for fan blade tip clearance A method and apparatus for adjusting the amount of clearance between the tips of the blades of a large axial flow fan and the inner surfaces of the fan cylinder wall. A plurality of foam spacer panels are secured to the inner surfaces of the fan cylinder ... | 10/23/1984 |
