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Class Information
Number: 433/120
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 > Fluid motor
Description: Apparatus wherein the means to drive the tool comprises structure which converts the energy of a working fluid into movement of a working member to drive the tool.










Patents under this class:

Patent Number Title Of Patent Date Issued
7984838 Recycled helium gas surgical instrument Jul. 26, 2011
7008225 Tooth brusher Mar. 7, 2006
6948935 Ultrasonic dental device Sep. 27, 2005
6602073 Medical and/or dental instrument with a pneumatic oscillatory-drive Aug. 5, 2003
6488500 Dental handpiece Dec. 3, 2002
6176703 Medical or dental treatment instrument for chip-removing treatment of body tissue or a substitute material with an abrasive tool Jan. 23, 2001
6030216 Dentistry hand piece Feb. 29, 2000
5938441 Air driven low speed dental handpiece motors Aug. 17, 1999
5846077 Dental scaler and vibratory transducer therefor Dec. 8, 1998
5779473 Dental scaler and vibratory transducer therefor Jul. 14, 1998
5545038 Percussive dental extractor Aug. 13, 1996
5496172 Pneumatic remover for use in removing dental prosthetics Mar. 5, 1996
5476380 Dental handpiece Dec. 19, 1995
5314333 Device for generating oscillations for dental applications May. 24, 1994
5232363 Scaler with improved vibration characteristics Aug. 3, 1993
5190456 Air-driven dental scaler Mar. 2, 1993
5133661 Dentistry handpiece able to receive one of a number of vibrating instruments Jul. 28, 1992
4878841 Periodontal probe Nov. 7, 1989
4764114 Analysis system Aug. 16, 1988
4725233 Device for removing crowns, bridges, and similar structures from the stumps of teeth Feb. 16, 1988
4589847 Tartar-removing dental handpiece May. 20, 1986
4578033 Tartar-removing dental handpiece Mar. 25, 1986
4527977 Gas-driven dental scaler having torque reaction means Jul. 9, 1985
4484892 Hand-held pneumatic implement for removing dental scale Nov. 27, 1984
4484893 Air turbine handpiece for dental scaling and other applications Nov. 27, 1984
4453919 Dental scaler Jun. 12, 1984
4427384 Vibratory dental scaler Jan. 24, 1984
4320927 Dental drill with magnetic air turbine having magnetic bearings Mar. 23, 1982
4260380 Vibratory device with fluid transport means Apr. 7, 1981
4173072 Dental crown remover Nov. 6, 1979
4171571 Dental handpieces Oct. 23, 1979
RE29687 Air-vibrator dental scaler Jul. 4, 1978
4040311 Dental handpiece Aug. 9, 1977











 
 
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