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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 8147245 | Acoustically activated dental instrument An acoustically activated dental instrument that comprises a working head attached to a shaft, the working head being covered with abrasive particles at its front end portion and having a spherical basic shape at its distal end, the outside of which is covered with ... | 04/03/2012 |
| 7785106 | Sponge prophy A dental prophy chip with a hollow core of different shapes such as canopy, cylinder, cup and inverted cone, is covered by hydrophilic grindstone sponge containing a polishing agent and its edge is either pressed fixed or folded into the interior of the core with a ... | 08/31/2010 |
| 7758344 | Asymmetrical dental implant and method of insertion An implant fixture is disclosed. The implant fixture includes an elongated body extending along a longitudinal axis. The elongated body includes a base portion having a non-circular cross section and a receiver adapted to receive a prosthetic. A root portion extends... | 07/20/2010 |
| 7347769 | Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ... | 03/25/2008 |
| 7338284 | Endodontic instrument and instrument system An endodontic file is provided for shaping and/or preparing a root canal. The file may include multiple cutting segments separated by non-cutting segments. The cutting segments are tapered and may have a cutting edge formed by plural helical flutes. Alternatively, t... | 03/04/2008 |
| 7322822 | Apparatus and method for removing enamel from a person's tooth According to one embodiment, an apparatus for removing enamel from a person's tooth includes a blade portion and a handle portion. The blade portion includes an abrasive surface adapted to remove enamel from the tooth in response to reciprocating movement of the abr... | 01/29/2008 |
| 7300341 | Dental grinding tool and method for making the same The present invention provides a dental grinding tool which is unlikely to damage gums and capable of finely shaping a formation part on which a crown is placed, and further provides a method for making the same. The dental grinding tool is made by forming a chamfer... | 11/27/2007 |
| 7255559 | Disposable dental prophy angle with secure retention mechanism A disposable, securely retained dental angle is provided. The angle includes a one-piece hollow housing having a short leg at its front end, which is angled with respect to the long leg. Both the short and long legs have a through bore. The short leg has an aperture... | 08/14/2007 |
| 7239944 | Programmable lawn mower A robotic apparatus for traversing a selected area autonomously that senses orientation relative to the Earth's magnetic field or other “environmental” signals. The robotic apparatus is provided in two models, a master that can record directive and compass or ... | 07/03/2007 |
| 7232311 | Bur for preparing metal substrates A method and bur is described for preparing a surface of a metal substrate. The bur includes a shank portion and a cutting head. The cutting head includes a base portion connected to the shank portion, a tip portion opposite the base portion and a plurality of simil... | 06/19/2007 |
| 7198486 | Rotary dental file having a safe breakage point An endodontic file (6) including a discontinuity (18) formed within the file shank (7). The discontinuity (18) creates a safe breakage point at which the file (6) will fail prior to a failure occurring at any other point along the ... | 04/03/2007 |
| 7179084 | Apparatus and method to remove dental implant A method and apparatus to remove dental implant. The apparatus comprises a guide ring rotatably attached to a base, means to rotatably attach the guide ring to the base, means to attach the apparatus to an implant, and apparatus to remove dental implant indexing mea... | 02/20/2007 |
| 7163444 | Pad constructions for chemical mechanical planarization applications The present invention is directed to an abrasive article comprising a fixed abrasive layer and a subpad. The fixed abrasive element is co-extensive with the subpad. The subpad comprises a resilient element. The resilient element has a Shore A hardness of no greater ... | 01/16/2007 |
| 7144307 | Point superabrasive machining of nickel alloys A process for point superabrasive machining of a nickel based material comprising the steps of providing a tool having a grinding surface coated with a superabrasive material, orienting the tool relative to a surface of the nickel based material to be machined so th... | 12/05/2006 |
| 7144253 | Dental diamond bur A dental diamond bur having grains of diamond attached to a head of the bur body with a plated metal layer containing grains of a fluorine compound that are almost uniformly dispersed and have an average diameter smaller than that of the diamond. ... | 12/05/2006 |
| 7103457 | Programmable lawn mower A robotic apparatus for traversing a selected area autonomously that senses orientation relative to the Earth's magnetic field or other “environmental” signals. The robotic apparatus is provided in two models, a master that can record directive and compass or ... | 09/05/2006 |
| 7094055 | Endodontic reamer and a method for manufacturing endodontic reamers and files An endodontic reamer and a method for manufacturing endodontic reamers and files, more specifically an endodontic reamer having a cylindrical shaft and a working portion extending forward from a removed end of the shaft. The working portion includes, typically, a pa... | 08/22/2006 |
| 7077651 | Dental implement for tooth restorations A dental implement includes a wire member that forms a generally ring-shaped portion and first and second ends, which depend from the ring-shaped portion. The ring-shaped portion lies in a plane, with the first and second ends depending from the generally ring-shape... | 07/18/2006 |
| 7069615 | Squeegee device and system A toothbrush is disclosed that includes and applicator head and a handle coupled to the applicator head for manipulating the applicator head while cleaning teeth and gums. The applicator head includes a curved squeegee element and bristles that surround elongated wa... | 07/04/2006 |
| 7051394 | Dentition cleaning device and system An electric toothbrush is disclosed that includes and applicator head and a motorized handle coupled to the applicator head for moving the applicator head while cleaning teeth and gums. The applicator head includes a curved squeegee element and bristles that surroun... | 05/30/2006 |
| 7047589 | Dentition cleaning device and system An oral-care device with a power cleaning head is disclosed. The power cleaning head comprises squeegee wiping elements or squeegee wiping elements and bristles. The power cleaning head is configured to rotate, oscillate, vibrate or otherwise move while cleaning tee... | 05/23/2006 |
| 7021933 | Universal depth cut burr having dental and skeletal applications A reduction burr for universal application for depth reduction of dental or ossiferous surfaces includes a shank of a first diameter extended to a chamfered rim angled radially inwardly to a smaller second diameter. A curved shoulder extended from the chamfered rim ... | 04/04/2006 |
| 6991997 | Semiconductor film, semiconductor device and method for manufacturing same Concerning an art related to a manufacturing method for a semiconductor device having an integrated circuit using thin film transistors on a substrate, a problem is to provide a condition for forming an amorphous silicon film having distortion. In the deposition of ... | 01/31/2006 |
| 6964603 | Fiber flocked dental polishing tips A dental polishing tip is adapted to be coupled to a dental drive apparatus. The apparatus rotates the tip, thereby polishing the teeth. The tip includes: (i) a post having a proximal end and an opposing distal end, the proximal end being adapted to be coupled to th... | 11/15/2005 |
| 6960083 | Dental bur A specialized dental bur designed to easily enter the periodontal pocket to perform root planing and curettage without the need for incisions has a cutting head attached to a shank. The cutting head has a combined structure of a narrow, hemispherical tip, cylindrica... | 11/01/2005 |
| 6944903 | Dentition cleaning device and system An applicator with squeegee configurations is disclosed. The applicator has a removable cover. In accordance with the embodiments of the invention, the removable cover is sealed through a squeegee edge using a suitable adhesive. The removable cover can be formed fro... | 09/20/2005 |
| 6910889 | Ultrasonic surgical dental tool having a rasp tip A dental tool for use with an ultrasonic transducer, includes an elongated unitary shaft member having a longitudinal axis, a proximal end and a distal end having an outer surface, an attachment member at the proximal end to enable detachable attachment to an ultras... | 06/28/2005 |
| 6780013 | Dental abrading body for treating tooth crowding An abrading body (1) for treating tooth crowding, which can be introduced into interdental spaces (10) between teeth (9) and is provided with oppositely disposed working or abrading surfaces (2, 3) on both sides thereof and a shaft for at... | 08/24/2004 |
| 6730316 | Dental bleach A dental bleach using a bleaching agent and a polyvinylpyrrolidone thickening agent is disclosed. The bleach may include water, flavoring agents, a basic substance and desensitizing agents, as desired. Polyvinylpyrrolidone avoids acid etching and chelation of teeth ... | 05/04/2004 |
| 6722883 | Protective coating for abrasive dental tools and burs A protective coating applied to abrasive layers of polycrystalline diamond located at the tip of abrasive dental tools is described. The protective coating is provided to protect the polycrystalline diamond layers in the course of storage, packaging, handling and st... | 04/20/2004 |
| 6722882 | Dental instruments for use with ultrasonic handpieces An ultrasonic dental instrument or tip is disclosed for performing endodontic procedures. The instrument has a hub adapted to be operatively coupled to the output of an ultrasonic handpiece and a shank portion extending from the hub. A first portion of the shank ext... | 04/20/2004 |
| 6699920 | Methods of manufacturing polishing substrates A method of manufacturing a polishing substrate is disclosed. The method includes disposing into a mold a reaction mixture of dibasic acid and a hydroxylated polymer, and applying a pressure and a temperature to the reaction mixture that are sufficient to... | 03/02/2004 |
| 6682349 | Drill assembly for preparing a prosthetic crown-receiving tooth The invention concerns a drill assembly for preparing a prosthetic crown-receiving tooth, wherein said drills (1) are of the type comprising an active part and at least an inactive part. Each of the drills (1) comprises a distal end (12) shaped like a sph... | 01/27/2004 |
| 6676410 | Grinding bar A grinding bar capable of stably staying a grinding part in a minute part of an affected part to execute a grinding and treatment in an environment having a large visual field is provided. This grinding bar to be mounted on a hand piece and used for grind... | 01/13/2004 |
| 6565356 | Dental Diamond bur A dental diamond bur is provided, which is applicable for operations including from opening of a pulp chamber to spreading of a root canal orifice to any teeth of anterior teeth and molars; does not cut out a tooth orifice portion more than needed; cuts o... | 05/20/2003 |
| 6554614 | Dental handpiece brush and method of using the same A dental brush has a plurality of bristles and is adapted to connect to a dental handpiece. As the brush is rotated, outer portions of the bristles shift and present an overall tapered configuration with a narrowed outer tip when the bristles come into co... | 04/29/2003 |
| 6511322 | Self-limiting occlusion reduction burr and method of use A self-limiting occlusal reduction burr and method of use. The self-limiting occlusal reduction burr comprises a shank rigidly attached to one end of a conical shoulder, and a burr rigidly attached to an opposite end of the shoulder. The shank, shoulder, ... | 01/28/2003 |
| 6368107 | Dental tool The present invention relates to a dental tool, in particular for grinding teeth, comprising a grinding head and a rotatingly drivable shaft, the grinding head being provided on its surface with at least one elevated portion which, during rotation of the ... | 04/09/2002 |
| 6347941 | Partial dentin caries excavator A dental bur for use in repair of a carious lesion has a working surface including cutting elements which deflect or abrade upon encountering material having a hardness at or above a preselected hardness, wherein said preselected hardness is below the har... | 02/19/2002 |
| 6296485 | Finisher set The present invention relates to a finisher set for the cosmetic aesthetic treatment of teeth, the set comprising a plurality of finishers each including a shaft (b 5) adapted to be clamped into a drive means, as well as a conical head provided with cutti... | 10/02/2001 |
