| Patent Number |
Title Of Patent |
Date Issued |
| RE39714 |
Hand-holdable gas/abrasion apparatus |
July 3, 2007 |
| A hand-holdable apparatus useful for abrading a surface is provided. The invention is particularly useful for dental applications using a stream of abrasive particles suspended in a gas stream to abrade the surface of a tooth. The apparatus of the invention may be modified to easily |
| 6439966 |
Hand-holdable gas/abrasion apparatus |
August 27, 2002 |
| A hand-holdable apparatus useful for abrading a surface is provided. The invention is particularly useful for dental applications using a stream of abrasive particles suspended in a gas stream to abrade the surface of a tooth. The apparatus of the invention may be modified to easily mini |
| 6277003 |
Gas abrasive particle apparatus and valving therefor |
August 21, 2001 |
| An apparatus for dispensing a pressurized stream of gas having particles suspended therein, is described. A double acting pinch valve suitable for use in the apparatus is also described. The apparatus finds particular utility in the dental industry. |
| 6149509 |
Removable nozzle for a sandblaster handpiece |
November 21, 2000 |
| A removable nozzle head for a miniature sandblaster used for medical or industrial applications is disclosed comprising a nozzle, a handpiece nozzle adapter, a nozzle locking ring where the nozzle and nozzle handpiece adapter each have corresponding first and second bore in fluid com |
| 5984678 |
Friable abrasive media |
November 16, 1999 |
| The present invention describes a novel composition and system for use for removal of organic and inorganic materials from a variety of substrates, including a tooth surface, without damage occurring to the substrate. The disclosed composition comprises a friable abrasive particle which |
| 5984677 |
Air abrasive particle apparatus |
November 16, 1999 |
| This invention is a method and apparatus for an air abrasive unit such as those used in the dental field. This method and apparatus utilizes an internal vibrator motor with vibration transmitters which transmit the vibration throughout the abrasive jar. The abrasive pickup assembly uses |
| 5810587 |
Friable abrasive media |
September 22, 1998 |
| The present invention describes a novel composition and system for use for removal of organic and inorganic materials from a variety of substrates, including a tooth surface, without damage occurring to the substrate. The disclosed composition comprises a friable abrasive particle which |
| 5797749 |
Dental composition |
August 25, 1998 |
| An aqueous-based dental composition useful for desensitizing an exposed tooth surface in preparation for performing restorative work on the tooth surface. The composition comprises benzethonium chloride, 2-hydroxyethyl methacrylate, water and optionally a small amount of a fluoride salt. |
| 5718581 |
Air abrasive particle apparatus |
February 17, 1998 |
| A method and apparatus for an air abrasive unit such as those used in the dental field. This method and apparatus utilizes an internal vibrator motor with vibration transmitters which transmit the vibrations throughout the abrasive jar. The abrasive pickup assembly uses pressure differen |
| 5203698 |
Wet foam sandblaster |
April 20, 1993 |
| The subject matter of the disclosed invention relates generally to dental cleaning processes and apparatus. A "wet foam sandblasting" system is described below in which a bubble foam laden with abrasive particles is propelled through a small nozzle by gas pressure. The system has very |
| 4941298 |
Rear reservoir micro sandblaster |
July 17, 1990 |
| Disclosed herein is an apparatus for abrading, etching, polishing and cleaning metallic or non-metallic surfaces that operates through mechanical sandblasting principles. The present invention is embodied in an apparatus for abrading, etching or polishing a surface with a jet stream |