Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
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 |
| 8070490 | Teeth separating apparatus An apparatus for separating teeth utilizing a base member having a first end portion, a second end portion, and an intermediate portion. A first spring extends outwardly from the first end portion while a second spring extends outwardly from the second portion of th... | 12/06/2011 |
| 8047843 | Matrix stabilizer devices and a seamless, single load cavity preparation and filling technique There are disclosed methods for the restoration of a decayed portion of a tooth, and interdental matrix stabilizers that can be used in the methods. The matrix stabilizer includes an elongated elastic body having a first end portion, a second opposite end portion, a... | 11/01/2011 |
| 7976308 | Dental wedges and methods Improved dental wedge having curved elongate body approximating the anatomical curvature of a tooth undergoing repair to hold the matrix in conformity with the anatomical curvature of said tooth. The wedges comprising a curved elongate body having proximal and dista... | 07/12/2011 |
| 7425130 | Dental wedges A dental wedge for use in a dental medical treatment and restoration of hollow spaces associated with caries between neighboring teeth. The dental wedge has a triangular cross-section and a free end running out to a rounded tip. The dental wedge (1) is bent u... | 09/16/2008 |
| 7381055 | Dental devices used for filling cavities with composite material A dental device for retaining composite material within a cavity is described. The device provides accurate placement of a retaining matrix band which holds dental composite material in place within the cavity under repair and precludes or prevents migration of the ... | 06/03/2008 |
| 7300009 | Member for holding a wear part of a crusher A holding member for holding a horizontal wear plate in position on a rotor for a vertical shaft impact crusher. The holding member includes a holding part for holding the wear plate and a fixing mechanism for releasably fixing the holding member to a vertical wall ... | 11/27/2007 |
| 7223101 | Wedge for use in dental restoration A dental wedge comprises an elongated body, which includes a distal end and a proximal end which tapers to the distal end. The distal end defines an insertion end and tilts upwardly. The elongate body has a first portion starting at the distal end and has a second p... | 05/29/2007 |
| 7216954 | System for evaporating waste ink in a postage meter A postage meter includes a print head, a purge unit for removing waste ink from the print head, an ink tray for receiving the waste ink, and a mechanism for heating the ink tray to promote evaporation of the waste ink. ... | 05/15/2007 |
| 7210935 | Expandable/contractable composition for surgical or dental use A composition, suitable for surgical or dental use, which can expand and/or contract in at least one direction without similar expansion or contraction in another direction, comprises an inner and an outer portion, the portions differing in their expansion propertie... | 05/01/2007 |
| 7175432 | Dental contact matrix limited A dental contact matrix system is described for the placement of dental fillings. The dental contact matrix system includes a matrix, a retainer for placing and retaining the 5 matrix and an elastic wedge. The retainer includes two lugs or tines that fit between two... | 02/13/2007 |
| 7108509 | Device for pushing away a dental element, and method for filling dental elements Device for pushing away an enclosure arranged around a dental element. When filling dental elements, it is important that adjacent dental elements should come into contact with one another at a defined location. To this end, the invention proposes a tool for pushing... | 09/19/2006 |
| 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 |
| 7025592 | Bone-dislocating device A bone-dislocating device suitable for being inserted in a bone to be dislocated (16), in particular a maxillary or jaw bone, comprises a wedged body (12), subdivided into two parts (12a and 12b) substantially having a trian... | 04/11/2006 |
| 6979122 | Deflectable probe and thermometer A deflectable probe for use in a thermometer. The deflectable probe is constituted by a bendable probe body and a hollow tip member secured thereto. Furthermore, a deflectable member includes a main portion disposed in the bendable probe body. When the bendable prob... | 12/27/2005 |
| 6960082 | Atraumatic approximal space dilator The invention relates to a dental device for dilating interdental spaces. The device comprises two interdental matrices that can be inserted into interdental spaces two retaining arrangements to retain the interdental matrices, and a spacer device for guiding the re... | 11/01/2005 |
| 6902399 | Cleaning instrument for a tooth root canal The cleaning instrument (10) comprises a head portion (10) and, adjacent thereto, a cleaning portion (14) having a shank (20), which is provided with bristles (22) on its external surface. In order that especially the tooth root ca... | 06/07/2005 |
| 6890176 | Interproximal matrix with elastomeric wedge A dental apparatus adapted to facilitate formation of a filling in an object tooth and to retain the filling within normal boundaries of the object tooth and generally spaced from an adjacent tooth includes a matrix having a resilient wedge member attached thereto. ... | 05/10/2005 |
| 6761562 | Interdental wedge The interdental wedge is particularly intended for use in the insertion of approximal fillings of light-curing synthetic materials and consists of a combination of a wedge body and an underlying compressible sole comprising a rim which projects on both sides of the ... | 07/13/2004 |
| 6666683 | Dental ring having orthogonal protuberance A dental ring for use in installing interproximal fillings in the teeth of human patients in a dental office. In its most fundamental embodiment, the dental ring exhibits a circular ring comprised of metal which includes a gap formed in the ring for defin... | 12/23/2003 |
| 6619956 | Dental matrix strip An elongated flexible dental matrix strip is disclosed. The strip includes a raised portion extending outward from the surface of the strip. The raised portion tapers towards the distal end of the strip in one embodiment and tapers toward both ends of the... | 09/16/2003 |
| 6589053 | Low profile matrix band retainers The invention comprises improved matrix band retainers for use in dental procedures. The matrix band retainers comprise a pair of tines anatomically configured to be inserted into the interproximal spaces between adjacent teeth for holding a matrix band i... | 07/08/2003 |
| 6482007 | Dental wedge with handle A dental wedge having a handle portion attached to the dental wedge portion for use in separating teeth. The handle portion facilitates positioning and insertion of the dental wedge portion between teeth. The handle portion may be frangibly attached to th... | 11/19/2002 |
| 6468080 | Dental wedge incorporating mechanically flexible features The invention generally provides for a dental wedge with flexible members. The dental wedge comprises a wedge shaped body with sides that are serrated with multiple flexible members extending away from the sides. When the dental wedge is inserted between ... | 10/22/2002 |
| 6435874 | Elastic dental device Structures and methods are disclosed which may be used for applying force to the base of a matrix band or cavity filling material mold during a cavity filling procedure. In a preferred exemplary embodiment of the present invention, a unitary body of elast... | 08/20/2002 |
| 6402514 | Dental wedge with elastomeric sides for enhanced retention The invention generally provides for a dental wedge with elastomeric sides. The body of the dental wedge comprises a head and a tip and generally tapers from the head to the tip. The body of the dental wedge also comprises recessed or mounting surfaces lo... | 06/11/2002 |
| 6375463 | Dental wedges having proximal ends with gritty top layers Improved dental wedges having gritty top layers are disclosed that enable instruments to easily engage the dental wedges and position them between the two teeth. The wedges may have gritty layers that are positioned on their proximal ends through use of a... | 04/23/2002 |
| 6234793 | Textured dental matrix bands and related methods The present invention relates to a dental matrix band used during tooth restoration procedures. The matrix bands have a smooth interior side which is placed in contact with the tooth requiring restoration. The exterior side a frictional engagement surface... | 05/22/2001 |
| 6220858 | Apparatus for placement of dental fillings An apparatus is described for placement of light curable dental fillings. The apparatus includes a matrix formed of light transparent material and shaped to conform to the natural contour of a tooth in the interproximal zone. The matrix is thinned in its ... | 04/24/2001 |
| 6142781 | Dental instruments for use with dental wedges Improved dental instruments have grasping ends which are particularly adapted for grasping dental wedges which have heads multiple flat surfaces or necks. The instruments can also be used with wedges having necks with multiple flat surfaces. Each instrume... | 11/07/2000 |
| 6079978 | Matrix for dental fillings A dental matrix for filling a lateral tooth cavity has a strip to be placed about a tooth. A wedge for applying pressure to a gap between adjacent teeth is provided. A joint connecting the wedge to the strip is provided. The wedge is moveable from a rest ... | 06/27/2000 |
| 6074210 | Dental wedge for utilization in dental restoration The dental wedge includes a generally tetrahedral body having a central longitudinal apex flanked by a pair of resilient side walls, connecting a narrow distal point and a wider proximal end, and having an open underside opposite thereto, as well as a pro... | 06/13/2000 |
| 6007334 | Interdental balloon The dental device comprises an elongated inflatable balloon for placement around a matrix band in part surrounding relationship with a decayed tooth. Upon inflation, the balloon evenly applies the matrix band against the tooth.... | 12/28/1999 |
| 5993210 | Dentist's tooth separator A scissor-like device having narrow jaws and a ratchet tooth closing clamp between the two handle halves that operates like a hemostat, i.e. it maintains the jaws in a fixed position. The jaws are either curved or wedge-shaped to pry the teeth slightly ap... | 11/30/1999 |
| 5890900 | Dental wedge with non-slip head An improved dental wedge has a body coupled to a head configured to prevent slipping of a dental instrument used to grip the wedge. The head has multiple flat gripping surfaces which enable a practioner to securely grasp the wedge from a variety of differ... | 04/06/1999 |
| 5890901 | Dental wedge with neck An improved dental wedge has a body coupled to a head by a neck. The neck is configured to be smaller in diameter than the proximal end of the body and the distal end of the head. The neck preferably has a plurality of flat surfaces extending about a circ... | 04/06/1999 |
| 5797740 | Dental instrument The instrument for the handling of dental fillings is characterized in that it is provided at one of its ends or at both ends with a head comprising a stuffing part which is made of a light transmitting or light conducting material and which can be connec... | 08/25/1998 |
| 5788499 | Posterior composite restoration instrument and method A method and apparatus for restoration of teeth using light curable restoratives while assuring interproximal contact between the restored tooth and an adjacent tooth. The apparatus is in the form of a hand-held instrument with a specialized tip to hold a... | 08/04/1998 |
| 5743738 | Interdental wedge The interdental wedge for the use during the insertion of approximal fillings of light curing synthetic material comprises the combination of a sole portion having disposed thereon an insert of a light conducting synthetic material and a light conducting ... | 04/28/1998 |
| 5573400 | Expanding dental wedge An expanding dental wedge structure to be used in association with dental matrix bands as used for placing dental restorative materials. The pre-expansion shape in cross section is roughly triangular with the dimensions of the triangle decreasing along th... | 11/12/1996 |
| 5527181 | Shape-conforming dental wedges A one-piece dental wedge comprised of a rigid core and an elastic outer component. Both the core and the outer component are comprised of biocompatible materials. The core may be comprised of a plastic, like a polymethyl methacrylate resin, wood, metal, o... | 06/18/1996 |
