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Class Information
Number: 433/118
Name: Dentistry > Apparatus > Having motor or means to transmit motion from motor to tool (e.g., "engine") > Hand-held tool or handpiece > Having reciprocating, vibrating, or oscillating output
Description: Apparatus wherein the prime mover or power transmission means causes a work contacting surface of a tool driven thereby to move back and forth along a straight-line or arcuate path.










Sub-classes under this class:

Class Number Class Name Patents
433/124 Angularly offset tool 21
433/120 Fluid motor 33
433/122 Having rotating cam or eccentric 58
433/121 Impact by sudden release of spring 11
433/119 Ultrasonic 173


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668664 Method for reducing pain during skin puncturing procedures Mar. 11, 2014
8670858 Tip-based computer controlled system for a hand-held dental delivery device Mar. 11, 2014
8517730 Tooth extraction tool Aug. 27, 2013
8469918 Method and apparatus for performing injections while vibrating the skin Jun. 25, 2013
8307488 Oral hygiene device Nov. 13, 2012
8256054 Hydraulic system for driving a membrane brushhead which includes bristles mounted thereon Sep. 4, 2012
8202087 Grinding tip for a vibrational dental instrument Jun. 19, 2012
8092216 Handset and optical tip for photosynthesis Jan. 10, 2012
8046861 Power toothbrush using acoustic wave action for cleansing of teeth Nov. 1, 2011
7981071 Apparatus and method for reducing pain during skin puncturing procedures Jul. 19, 2011
7874839 Powered surgical instruments Jan. 25, 2011
7798813 Rotary tissue removing instrument Sep. 21, 2010
7675219 Method for controlling an ultrasonic unit of an ultrasonic cleaning system Mar. 9, 2010
7255559 Disposable dental prophy angle with secure retention mechanism Aug. 14, 2007
7198487 Whitening tip for dental flossing device Apr. 3, 2007
7122921 Top loading internal assembly for a power toothbrush Oct. 17, 2006
6997446 Spring member for rotational action Feb. 14, 2006
6964076 Electric toothbrush Nov. 15, 2005
6955539 Characterization of motion of dual motor oral hygiene device Oct. 18, 2005
6948935 Ultrasonic dental device Sep. 27, 2005
6942485 Dental handpiece comprising torque-limiting means Sep. 13, 2005
6929476 Dental apparatus Aug. 16, 2005
6910883 Orthodontic bracket cleaner Jun. 28, 2005
6910887 Device for performing an endodontic treatment Jun. 28, 2005
6821119 Dual motor oral hygiene device Nov. 23, 2004
6766548 Accessories mount for an electric toothbrush Jul. 27, 2004
6721986 Electric toothbrush Apr. 20, 2004
6626670 Powered periotome Sep. 30, 2003
6609910 Tip for dental flossing device Aug. 26, 2003
6517348 Dental oscillating cleaning implement and method of using same Feb. 11, 2003
6491520 Dental instrument Dec. 10, 2002
6488500 Dental handpiece Dec. 3, 2002
6446294 Electric toothbrush Sep. 10, 2002
6447293 Drive mechanism for interproximal flossing device Sep. 10, 2002
6443731 Medical and dental handpiece Sep. 3, 2002
6422867 Interproximal flosser handle Jul. 23, 2002
6409507 Drive mechanism for oscillatory dental tool with improved bushing Jun. 25, 2002
6350125 Contra-angle dental handpiece Feb. 26, 2002
6312256 Dental ultrasound instrument for treating periodontal pockets Nov. 6, 2001
6293795 Rotary handpiece for endodontic instrumentation Sep. 25, 2001
6267593 Cleansing implement and electrically powered dental cleansing device Jul. 31, 2001
6247931 Drive mechanism for oscillatory dental tool Jun. 19, 2001
6176703 Medical or dental treatment instrument for chip-removing treatment of body tissue or a substitute material with an abrasive tool Jan. 23, 2001
6106289 Sonic delivery system for dentistry using a terfnol driver Aug. 22, 2000
6106290 Dental tool with controlled simultaneous reciprocal and oscillating motion Aug. 22, 2000
6102700 Cleansing implement and electrically powered dental cleansing device Aug. 15, 2000
6095810 Dental hand instrument with incorporated light source for diagnostic purposes Aug. 1, 2000
6086369 Ultrasonic dental scaler insert Jul. 11, 2000
RE36699 Sonic dental device May. 16, 2000
6062858 Medical or dental handpiece with a tool for processing by machining May. 16, 2000

1 2 3










 
 
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