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Class Information
Number: 433/132
Name: Dentistry > Apparatus > Having motor or means to transmit motion from motor to tool (e.g., "engine") > Hand-held tool or handpiece > Having motor > Rotary fluid turbine
Description: Apparatus wherein the prime mover comprises a disc or shaft which is rotated about an axis by a current of fluid directed against a series of reaction surfaces formed or carried on the disc or shaft.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8562343 Fluid driven dental handpiece with hydrostatic bearings Oct. 22, 2013
8324765 Fluid-operated medical or dental handle with speed limiting Dec. 4, 2012
8226363 Turbine wheel for a gas operated medical handpiece and medical handpiece having a turbine wheel, and method for milling a blade of a turbine wheel Jul. 24, 2012
8210847 Disposable dental handpiece Jul. 3, 2012
8137102 Fluid-operated medical or dental handheld element Mar. 20, 2012
8092217 Suckback prevention device for single use high-speed turbine dental drill handpiece Jan. 10, 2012
7927101 Handpiece and method for preventing occurence of sucking-back in the handpiece Apr. 19, 2011
7811056 Turbine wheel for a gas operated medical handpiece and medical handpiece having a turbine wheel Oct. 12, 2010
7329123 Air-driven cutting device for medical treatment Feb. 12, 2008
7217129 Medical or dental-medical handpiece having at least one rotary part May. 15, 2007
7192279 Dental handpiece Mar. 20, 2007
7140880 Medical or dental-medical handpiece having a rotary part mounted in a roller bearing Nov. 28, 2006
7048540 Air-driven cutting device for medical treatment May. 23, 2006
7008224 Disposable dental instrument Mar. 7, 2006
6790039 Dental turbine support structure Sep. 14, 2004
6764307 Polymer-metal composition retainer for self-lubricating bearing Jul. 20, 2004
6676374 Air-driven rotating and cutting device for use in medical and dental procedures Jan. 13, 2004
6599124 Dental handpiece with angular contact ball bearings Jul. 29, 2003
6579093 High speed turbine cartridge for use with a medical/dental handpiece Jun. 17, 2003
6425761 Drive system for dental handpiece Jul. 30, 2002
6315560 High-speed dental drill Nov. 13, 2001
6273718 Dental handpiece Aug. 14, 2001
6270345 Vane motor for dental and medical handpieces Aug. 7, 2001
6270342 Dental laser treatment hand-piece and system Aug. 7, 2001
6186784 Autoclavable dental handpiece with disposable high speed turbine Feb. 13, 2001
6164831 Rolling bearing for high-speed rotating equipment Dec. 26, 2000
6152736 Dental turbine Nov. 28, 2000
6149430 Integrally molded dental appliance and process for its manufacture Nov. 21, 2000
6146137 Contamination prevention device for ultra high speed dental type handpieces Nov. 14, 2000
6120291 Turbine handpiece Sep. 19, 2000
5984654 Compressed air driven disposable hand tool having a rotor with radially moving vanes Nov. 16, 1999
5947485 Collet assembly and manufacturing process Sep. 7, 1999
5938441 Air driven low speed dental handpiece motors Aug. 17, 1999
5921777 Dental and surgical handpiece with disposable cartridge Jul. 13, 1999
5911579 Dental handpiece with baffle for stabilizing rolling bearing cage Jun. 15, 1999
5908295 Dental handpiece with lighting means Jun. 1, 1999
5902108 Air turbine handpiece May. 11, 1999
5897317 Dental handpiece with disposable filter cartridge Apr. 27, 1999
5846078 Dental angular instrument holder Dec. 8, 1998
5810588 Clamping device particularly useful for dental handpieces Sep. 22, 1998
5807108 Dental handpiece Sep. 15, 1998
5803733 Pneumatic surgical handpiece and method Sep. 8, 1998
5800172 Dental turbine hand piece with light and rotary head Sep. 1, 1998
5800171 Exhaust control system for pneumatic devices and method Sep. 1, 1998
5797743 Autoclavable dental handpiece with disposable high speed turbine Aug. 25, 1998
5795167 Air driven low speed dental handpiece motors Aug. 18, 1998
5782634 Medical, in particular dental turbine handpiece Jul. 21, 1998
5779474 Sudden stop mechanism and air-gap seal for dental handpiece Jul. 14, 1998
5772435 Dental and surgical handpiece with disposable cartridge Jun. 30, 1998
5772436 Odontotherapeutic hand piece Jun. 30, 1998

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