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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 Rotary Fluid TurbineRotary Fluid Turbine patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/24/07 - 20070117064 - Dental handpiece with improved grease retention A dental handpiece has a rotor assembly (10) with a rotor (15a) and two ball bearing assemblies (13, 14) supporting a rotor (15a). At least one of the ball bearing assemblies (13, 14) has a ball (20) and a retainer (21). The retainer (21) has at least one grease retaining ... 04/19/07 - 20070087308 - Medical, in particular dental-medical handpiece The invention relates to a medical handpiece, in the forward end region of which a tool can be put in place, having a mounting sleeve for receiving the tool, having a carrier sleeve, in which the mounting sleeve is arranged, having a drive element standing in driving connection with the ... 04/19/07 - 20070087307 - 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 The invention relates to a turbine wheel for a gas operated medical, in particular dental-medical, handpiece, having a plurality of blades which extend in radial direction from a hub and extend in axial direction from a side ring web of the turbine wheel, and the front side of which is ... 12/21/06 - 20060286505 - Dental handpiece with pressure regulating mechanism The present dental handpiece has a burr sleeve, a head section, an air supply passage for introducing compressed air into the head section for driving the burr sleeve, and an air discharge passage for discharging the compressed air. The air supply passage includes a through hole axially extending through the ... 08/31/06 - 20060194168 - Dental handpiece components A dental handpiece (10) of the type having at least one component (11) fabricated from an elastomeric material, is improved by fabricating the component (11) from a perfluoroelastomer. ... 08/17/06 - 20060183074 - Dental handpiece with air-foil bearings A dental handpiece of the type having a bearing supporting a turbine. At least one of the bearings is an air-foil type. ... 12/29/05 - 20050287493 - Dental handpiece with improved grease retention A dental handpiece (10) has a rotor (15) and a ball bearing assembly (13, 14) supporting the rotor (15). At least one of the ball bearing assemblies (13, 14) has a ball (20) and a retainer (21). The retainer (21) has at least one grease retaining groove (30, 50) or ... ### FreshPatents.com Support |