Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 8152484 | Engine cooling fan assembly A fan assembly that includes a fan having a fan hub and motor having a drive shaft and a drive member coupled to the drive shaft for rotation with the drive shaft. The fan hub includes an inner face and an outer face. The drive member contacts the inner face of the ... | 04/10/2012 |
| 8079828 | Water pump In one embodiment of the present invention, a water pump (10) is configured such that rotation is transmitted in a non-contact condition from a drive-end rotation member (20) whereto rotation is transmitted from an engine to a driven-end rotation membe... | 12/20/2011 |
| 7980830 | Electric pump A rotary shaft is rotatable relative to a motor rotor. A first end face of the motor rotor is exposed to the outside of a stator. A hammer portion is provided at the first end face. The hammer portion is configured to be movable as the motor rotor rotates. A collisi... | 07/19/2011 |
| 7972121 | Limited free-motion pump impeller coupling device A limited free-motion coupling device 10 coupling an impeller 14 to a shaft 16 of a rotor 12, the coupling device 10 comprising first and second parts 20, 22 which are axially engaged for relative angular displacement about ... | 07/05/2011 |
| 7896622 | Electric pump A rotary shaft is rotatable relative to a motor rotor. A first end face of the motor rotor is exposed to the outside of a stator. A hammer portion is provided at the first end face. The hammer portion is configured to be movable as the motor rotor rotates. A collisi... | 03/01/2011 |
| 7426110 | Centrifugal fan clutch for an electronics cooling fan An electronics cooling fan comprises a centrifugal clutch adapted to disengage and freewheel upon fan failure. ... | 09/16/2008 |
| 7337750 | Animal deterrent device An animal deterrent device design to prevent animals from intruding into gardens, fields, yards, etc., which comprises a light source illuminating a flag or other signaling device, designed to be moved in an irregular fashion by a motor when a timer activates and th... | 03/04/2008 |
| 7332074 | Water circulation systems for ponds, lakes, and other bodies of water Circulation systems for ponds, lakes, or other bodies of water using a flotation platform, dish, and impeller. One embodiment has a connecting arrangement between the drive motor and the impeller that permits the two to be easily and quickly coupled and uncoupled. T... | 02/19/2008 |
| 7313840 | Induction liquid pump and magnetic tank scrubber An induction liquid pump includes a power unit and a circulation unit that are oppositely mountable to a tank with a plurality of fixation units. The liquid pump power unit includes a power induction unit to produce a variable magnetic field. The submersible liquid ... | 01/01/2008 |
| 7311625 | Rotating apparatus with a torque limiter function A screw engagement portion between a pulley and a shaft is provided with a thread in a direction to increase the tightening torque when the pulley is driven. A breakable part broken by the axial tension produced when the tightening torque acting on the screw engagem... | 12/25/2007 |
| 7303477 | Power transmitting device of clutchless compressor A power transmission device for a clutchless compressor, in which, when a torque above a preset value is generated in the compressor during power transmission from an engine to the compressor, a breaking member connecting a pulley side with a hub side is broken and ... | 12/04/2007 |
| 7278836 | Metering pump A metering pump that is capable of delivering a constant, rate of fluid over a wide range of viscosities at infinitely variable delivery rates. Two identical pumping chambers are provided with one operating in the suction mode, and the other in the discharge mode wi... | 10/09/2007 |
| 7258531 | Axial piston compressor A compressor, in particular an axial piston compressor having an axial piston drive mechanism for the intake and compression of a coolant, has a drive shaft for the drive mechanism with radial bearings of the shaft located at the front and at the rear of the compres... | 08/21/2007 |
| 7175760 | Water dispensing apparatus with water recirculation line A water purification and dispensing apparatus includes a water reservoir, a recirculation line having an inlet end connected to the reservoir and an outlet end connected to the reservoir, a pump connected to the recirculation line for pumping water through the recir... | 02/13/2007 |
| 7160082 | Turbocharger with balancing features An exemplary thrust collar for a turbocharger includes a substantially annular body that includes an axis of rotation, a bore, opposing end surfaces where one of the end surfaces is substantially normal to the axis of rotation and capable of seating a back end of co... | 01/09/2007 |
| 7156743 | Mechanical fuse and method of manufacturing the same An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing the same are presented. The mechanical fuse is composed of Fe-based sintered alloy, and comprises an inn... | 01/02/2007 |
| 7140850 | Peristaltic pump with roller pinch valve control A pump having a rotary portion which compels the movement of a fluid by peristaltic compression of resilient tubing containing the fluid includes a roller assembly having at least one roller mounted in the rotary portion of the pump for contact with the resilient tu... | 11/28/2006 |
| 7121947 | Coupling device A coupling device has a pulley that receives rotational torque from an engine. The torque is transmitted to a shaft through a hub and a one-way clutch. A torque limiter is screwed on the shaft to fasten the inner ring of the one-way clutch onto the shaft. The torque... | 10/17/2006 |
| 7101156 | Method and apparatus for controlling a pumping unit Method and apparatus for reducing the pumping duty cycle of a pump assembly associated with an oil, natural gas, or water well with a concomitant reduction in the wear associated with the pump down hole components. An engine is connected with a pump assembly through... | 09/05/2006 |
| 7078112 | Mechanical fuse and production method for the same A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is applied. The mechanical fuse includes a Fe-based sintered alloy that has at least one element of P at 0.15 t... | 07/18/2006 |
| 7040989 | Power transmission device A power transmission device which interrupts torque transmission when the torque exceeds a predetermined torque. A torque limiter includes projections formed on a center hub and a pulley. The center hub includes bridges that transmit torque by a pulling force. When ... | 05/09/2006 |
| 7040871 | Compressor provided with torque limiter A compressor provided with a torque limiter constructed such that, in view of possible occurrence of accidental locking of the compressor, in the case where a one-way clutch is used in place of an electromagnetic clutch in order to permit a refrigerant compressor fo... | 05/09/2006 |
| 7041019 | Automotive compressor having a simple waterproof structure for a bearing supporting a pulley In an automotive compressor, a pulley (6) is rotatably supported on a compressor housing (1) through a bearing (5) to have an axial gap (10) left between the compressor housing and the pulley. A waterproof cover (13) covers the axi... | 05/09/2006 |
| 7033143 | Pumping system with clutch and associated by-pass This invention relates to a pumping system. The design of the system is such that bi-directional operation can be achieved using a significantly smaller and hence lighter unit than those currently available. It uses the direction of rotation of the drive shaft to co... | 04/25/2006 |
| 7024860 | Gas-turbine installation In a gas-turbine installation according to the invention there is provided, in order to increase the compressor mass flow, a separate turbo-compressor which is connected in parallel to the compressor of the gas turbine and which is preferably operated by means of an... | 04/11/2006 |
| 7025680 | Torque transmission device having torque limiter A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a drive source. The cylindrical member is connected to a rotatable shaft of a compressor and is rotated integ... | 04/11/2006 |
| 7025187 | Electromagnetic clutch assembly An electromagnetic clutch assembly of the leaf spring type has leaf springs the inner ends of which are fixed to a drive plate by conventional rivets, and the outer ends of which are fixed to the armature plate by special rivets having enlarged diameter shanks that ... | 04/11/2006 |
| 7014564 | Power transmission device When the connecting rod 10 made of material of high strength, the mechanical strength of which is higher than that of the inner hub 22, is incorporated into between the cylindrical boss portion 31 of the inner hub 22 and the compressor sh... | 03/21/2006 |
| 7007826 | Portable fluid dispenser and method In some embodiments, a portable fluid dispenser is provided having a tank, a pump coupled to the tank for pumping fluid therefrom, and a battery connected to the tank for powering the pump. The battery can be part of a removable battery pack received within an exter... | 03/07/2006 |
| 7004730 | Integral shaft for use in mud pumps A shaft for use on in a mud pump having a shaft portion and a hub portion integrally formed with the shaft portion. The hub portion extends radially outwardly of the shaft portion. The shaft portion and the hub portion are machined from a single steel black. The hub... | 02/28/2006 |
| 7001155 | Compressor impeller with stress riser A compressor impeller for use with a boreless turbocharger is provided in accordance with this invention. The compressor impeller comprises an integral hub projecting axially therefrom that includes a partial bore therein that extends from an open to a close bore en... | 02/21/2006 |
| 6918835 | Power transmission system Two-step protruding portions are provided in a cover of a pulley for hooking the cover on the pulley. When a bridging part is broken, a driving-unit-side portion of the bridging part is outwardly displaced in a rotation axis direction of the pulley. The first-step p... | 07/19/2005 |
| 6913538 | Torque transmission system In a torque transmission system, plural engagement pieces elastically deformable are formed integrally with an outer peripheral portion of a circular portion of a center hub to be engaged with an inner periphery portion of a pulley. A bridge portion of the center hu... | 07/05/2005 |
| 6912451 | Control system for a redundant prime mover system The present invention provides a control system for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates the engine and t... | 06/28/2005 |
| 6860726 | Dual drive for hydraulic pump and air boost compressor A dual drive system for a hydraulic pump and an air boost compressor is provided. Reversible power is transmitted to a shaft connected to clockwise and counterclockwise over-running clutches connected to different vehicle or equipment subsystems. Reversing the drive... | 03/01/2005 |
| 6857860 | Metering pump for liquid products The invention concerns a metering gear pump comprising a set of gears supported and guided solely by the inner peripheral surface of the lobe of the chamber wherein they are housed. They do not comprise any shaft to act as support or guide, thereby enabling to reduc... | 02/22/2005 |
| 6827548 | Rotor assemblies for gas turbine engines A gas turbine engine 10 includes an intermediate pressure compressor 14 connected to an intermediate pressure turbine 22 by a driveshaft 28. The driveshaft 28 comprises a downstream turbine shaft 34 attached to the intermedi... | 12/07/2004 |
| 6675902 | Progressive cavity wellbore pump and method of use in artificial lift systems An artificial lift system used to produce fluids from boreholes such as oil and gas wells. The system uses a progressive cavity (PC) downhole pump system which can be inserted into the borehole, seated, operated, flushed and removed using conventional or ... | 01/13/2004 |
| 6663354 | Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston A hydrostatic axial piston machine has a cylinder block with bores holding reciprocating pistons, a swashplate supporting the pistons, and control cams to supply the bores with hydraulic fluid. The swashplate is a pivoting cradle mounted on friction beari... | 12/16/2003 |
| 6619929 | Rotational apparatus When an electric appliance unit functions as an electric motor, a rotary shaft is rotated by electric current supplied to the electric appliance unit. When the electric appliance unit functions as a generator, the generator generates electricity as the ro... | 09/16/2003 |
