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 |
| 8167596 | Compressor and manufacturing method thereof The compressor includes a first constituent element and a first slider. The first constituent element is capable of being laser welded. The first slider is composed of cast iron capable of being laser welded and having a carbon content of from 2.0 wt % or more to 2.... | 05/01/2012 |
| 8066497 | Pump with side surface coating In a preferred embodiment of the present invention, a positive-displacement pump, in particular a vane cell pump, having a pump element, in particular a rotor, which is situated within a contour ring and rotatable between two side surfaces where a limited coating is... | 11/29/2011 |
| 7950914 | Braze or solder reinforced Moineau stator A Moineau style stator includes a helical reinforcement component that provides an internal helical cavity. A resilient liner is deployed on an inner surface of the helical reinforcement component. The helical reinforcement component includes a solder or braze mater... | 05/31/2011 |
| 7887309 | Gear pump having optimal axial play The invention relates to a pump, in particular an oil pump, for internal combustion engines, comprising a pump case, with the pump case comprising a pump lid and a pump flange, with at least one toothed wheelset being arranged between the pump lid and the pump flang... | 02/15/2011 |
| 7713041 | Gear pump having optimal axial play The invention relates to a pump, in particular an oil pump, for internal combustion engines, comprising a pump case, with the pump case comprising a pump lid and a pump flange, with at least one toothed wheelset being arranged between the pump lid and the pump flang... | 05/11/2010 |
| 7661938 | Linking element for connecting the two volutes of a scroll compressor The invention concerns an element comprising an annular body (9) provided with two series of pins (10, 12) projecting from at least one side of the body (9), the pins (10) of a first series being engaged in grooves (7) of the fixed... | 02/16/2010 |
| 7632083 | Anti-galling pump rotor for an internal gear pump In pump rotors and used in an internal gear pump, which includes an inner pump rotor having outer gear teeth; an outer pump rotor having inner gear teeth that mesh with the outer gear teeth ; and a casing having a pumping-in port through which a fluid is pumped in, ... | 12/15/2009 |
| 7458792 | Sintered metal rotor of a rotary piston pump The invention relates to a sintered metal rotor of a rotary piston pump, comprising a pot-shaped base (1) and a journal element centrally projecting from the bottom of said base (1). Said journal element comprises a base section and an adjoining connec... | 12/02/2008 |
| 7431576 | Ductile cast iron scroll compressor A scroll compressor includes a scroll member having a base and a generally spiral wrap that extends from the base to define a portion of a compression chamber. The scroll member is made of a cast iron material comprising a microstructure having graphite nodules.... | 10/07/2008 |
| 7374411 | Oil pump adapted to prevent leakage without using sealing member An oil pump is provided which includes a cam ring made of a material having a first line expansion coefficient, a pump element rotatably disposed in the cam ring and smaller in an axial length than the cam ring, a first housing member disposed on one of axially oppo... | 05/20/2008 |
| 7354258 | Stator for an eccentric single-rotor screw pump and method for its production Stator for an eccentric single-rotor screw pump has a casing made of steel or the like and a helical elastomer lining. Stator and a method for its production are described which can also be made with larger lengths at low production costs. Stator is composed of at l... | 04/08/2008 |
| 7347677 | Vane pump A body bore 2 formed in a body 1 is closed with a cover 9, as well as a cam ring 4 is incorporated into the body bore 2, and a rotor 6 is arranged inside the cam ring 4. Vanes 7 move in and out along an inner s... | 03/25/2008 |
| 7348526 | Microwave-assisted chromatography preparation An instrument and associated method are disclosed for preparing samples for column chromatography. The method includes the steps of applying microwave energy to a sample composition containing at least one solvent to encourage a chemical reaction and generate desire... | 03/25/2008 |
| 7314358 | Scroll fluid machine having an adjustment member for correcting an error in orbiting motion between fixed and orbiting scrolls A scroll fluid machine comprises a fixed scroll, an orbiting scroll and a self-rotation-preventing device for preventing the orbiting scroll from rotating on its own axis. The self-rotation-preventing device comprises a bearing in a support hole of the orbiting scro... | 01/01/2008 |
| 7282078 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same A wear-resistant iron-based sintered contact material is provided which is sintered by powder sintering so as to have high density, high seizure resistance and wear resistance. A wear-resistant iron-based sintered composite contact component composed of the wear-res... | 10/16/2007 |
| 7276829 | Frame unit of compressor and manufacturing method thereof A frame unit provided in a compressor and a method of manufacturing the frame unit with improved productivity. The frame unit is secured between a cylinder block and a stator of the compressor and is adapted to rotatably support a rotary shaft press fitted in a roto... | 10/02/2007 |
| 7275918 | Scroll apparatus with an axial gap control function A scroll apparatus with an axial gap control function is described. The scroll apparatus is capable of controlling the axial gap between its fixed scroll and orbiting scroll. The scroll apparatus has a frame with a pair of indentations installed in the casing of the... | 10/02/2007 |
| 7240973 | Crawler, crawler pin, crawler bush, and crawler manufacturing method A crawler having a crawler pin and a crawler bush having lubrication between the crawler pin and the crawler bush without lowering the strength of the crawler at the running time, thereby to prevent the creak or seizure, as might otherwise be caused at the running t... | 07/10/2007 |
| 7214042 | Progressing cavity pump with dual material stator A progressing cavity pump including a rotor and a stator having an inlet and an outlet. The rotor is rotationally disposed inside of the stator such that rotation of the rotor causes fluid in the pump to be pumped from the inlet toward the outlet in a downstream dir... | 05/08/2007 |
| 7189068 | Sound reduced rotary vane compressor A rotary vane compressor having features for reducing sound emitted from the compressor during operation. The sound reduction features include and relate to specific components of the compressor. Specifically the features relate to (1) the compressor motor; (2) a no... | 03/13/2007 |
| 7186101 | Gerotor apparatus for a quasi-isothermal Brayton cycle Engine According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and a synchronizing apparatus operable to control... | 03/06/2007 |
| 7179068 | Electric compressor A cooling space in an inverter case is disposed at a position opposed to a stationary scroll of a scroll compressor. A refrigerant having low temperature is allowed to flow in and out between the cooling space and the stationary scroll through a seal, thereby coolin... | 02/20/2007 |
| 7097431 | Mechanical kinetic vacuum pump A mechanical vacuum pump includes a rotor made of a light metal alloy by powder metallurgy. The powder metallurgy increases the resistance of the rotor to heat and creep. ... | 08/29/2006 |
| 7094473 | Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same A wear-resistant iron-based sintered contact material is provided which is sintered by powder sintering so as to have high density, high seizure resistance and wear resistance. A wear-resistant iron-based sintered composite contact component composed of the wear-res... | 08/22/2006 |
| 7086151 | Powder metal scrolls Scrolls made from one or more near-net shaped powder metal processes either wholly or fabricated together from sections. Both “conventional” press and sinter methods and metal injection molding methods will be described. ... | 08/08/2006 |
| 7083401 | Asymmetric contouring of elastomer liner on lobes in a Moineau style power section stator The inventive stator includes a helical cavity component made from a material chosen to reinforce an elastomer liner deployed thereon. The contouring of the elastomer liner is asymmetrical, such that the elastomer liner is relatively thick on the loaded side of a lo... | 08/01/2006 |
| 7078107 | Contact material, composite sintered component and method of producing same A contact material which provides improved wear resistance as well as reduced adhesion utilizing the features of an intermetallic compound having an ordered phase, with the intention of (i) improving the seizure resistance and/or wear resistance of an implement bear... | 07/18/2006 |
| 7014438 | Fluid machinery A fluid machinery such as helical compressor includes a sliding mechanism comprising one side member composed, in combination, of a metallic base member having a sliding surface and a lubrication film formed on the sliding surface in a close contact thereto, and a c... | 03/21/2006 |
| 6948922 | Hermetic compressor and open compressor The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester oil or ethe... | 09/27/2005 |
| 6948915 | Oil free screw compressor A screw compressor includes a compressor main body, a male rotor having a screw-like male tooth shape and a female rotor having a screw-like female tooth shape meshing with the screw-like male tooth shape or the male rotor. The male and female motors are provided wi... | 09/27/2005 |
| 6918749 | Compressor with aluminum housing and at least one aluminum rotor The compressor has two rotors (14, 16), which are rotatably mounted in a housing (10) by means of a shaft each, the rotors (14, 16) rotating without contact with the housing. The rotors (14, 16) consist of a powder-metallurgical Al—Si a... | 07/19/2005 |
| 6905306 | Mechanical kinetic vacuum pump with rotor and shaft A mechanical kinetic vacuum pump with a stator (1), a rotor (6, 7) made from an aluminum or magnesium alloy and a rotor (6, 7) and a bearing shaft (3). The shaft (3) and the rotor (6, 7) are connected by a shrink- or screw-f... | 06/14/2005 |
| 6884049 | Screw compressor and method of manufacturing rotor for the same A screw compressor of which a female rotor is driven by a motor, and of which a male rotor is driven by the female rotor. The male or female rotor is composed of a member which is made of cast iron and is subjected to surface hardening treatment or heat treatment in... | 04/26/2005 |
| 6872061 | Method for making a moineau stator and resulting stator The invention concerns a Moineau type gear pump stator (1), comprising a stator cavity with global axial extension inside an elongated body, characterised in that the stator cavity is defined by a rigid-walled metal tubular element (3) having internall the shape and... | 03/29/2005 |
| 6863511 | Two-shaft vacuum pump A vacuum pump has two shafts (3, 4) and two rotors (1, 2) which co-operate with each other and which are fixed to the shafts. The rotors are cantilevered on the shafts. The rotors are fixed to the shafts in a manner which is devoid of backlash, even du... | 03/08/2005 |
| 6835056 | Roller vane pump incorporating a bearing bush Roller vane pump, in particular suited for pumping fluid in a continuously variable automatic transmission of a motor vehicle, provided with a pump housing accommodating a substantially cylindrical carrier, which is rotatable about a central axis, and a cam ring enc... | 12/28/2004 |
| 6716010 | Bearing arrangement A bearing arrangement for a gear pump comprises first and second separate bearing blocks each having a respective block housing. The first and second bearing blocks together defining an axially directed bearing surface including a bridge region formed from an erosio... | 04/06/2004 |
| 6666671 | Rotary pump A rotary pump for pumping compressible fluid comprising an eccentrically mounted rotor 20 and a stator 10. The stator 10 comprises a stator inner liner 80 that is free to rotate, driven directly or in response to rotation of the rotor 20 such that the rel... | 12/23/2003 |
| 6659749 | Hermetic compressor and open compressor The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester ... | 12/09/2003 |
| 6638041 | Water based hydraulic fluid and hydraulic pressure device A subject of the present invention is to provide a water based hydraulic fluid and a hydraulic pressure device able to prevent burning and wearing in a sliding portion of a member constructed by an iron-based material as much as possible. Therefore, the w... | 10/28/2003 |
