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Den-Tal-Ez, Inc. Patents
Assignee:
Den-Tal-Ez, Inc.
Address:
Conshohocken, PA
No. of patents:
17
Patents:












Patent Number Title Of Patent Date Issued
D420225 Dental chair February 8, 2000
D345618 Dental operatory lamp March 29, 1994
6790039 Dental turbine support structure September 14, 2004
A support structure for a turbine motor for use in a dental handpiece includes a pair of resilient rings to capture and limit rotation of an outer race of a bearing supporting a rotor of the turbine motor. The turbine motor is supported by first and second bearing assemblies, the fir
5938441 Air driven low speed dental handpiece motors August 17, 1999
Air driven dental handpiece motors include a tubular housing and a rotor rotatably supported within the housing. One motor is geared down by the provision of a plurality of idler gears rotatably supported on a hub which rotates between a sun gear on the output end of the rotor and a ring
5795167 Air driven low speed dental handpiece motors August 18, 1998
Air driven dental handpiece motors include a tubular housing and a rotor rotatably supported within the housing. One motor is geared down by the provision of a plurality of idler gears rotatably supported on a hub which rotates between a sun gear on the output end of the rotor and a ring
5779474 Sudden stop mechanism and air-gap seal for dental handpiece July 14, 1998
A high speed air-driven powerhead in a dental handpiece includes an automatic chuck with outside surfaces protection from overheating. An autochuck release push button on the back of the powerhead is constructed of low thermal conductivity and heat reflective materials to reduce heat
5618410 Automatically draining vacuum apparatus April 8, 1997
An automatically draining vacuum apparatus for collecting a fluid to be vacuumed. The vacuum apparatus includes a vacuum generating source which generates a suction force and a tank for holding the fluid to be vacuumed. The tank includes a vacuum port, an inlet and a drainage opening for
5324900 Footswitch for dental and medical uses June 28, 1994
A sealed omnidirectional operable footswitch particularly suited for use in connection with dental and medical position programmable adjustable chairs.
5274535 Dental operating light with color correction December 28, 1993
A color-correcting optical delivery system for a dental or medical operatory light in which hue is eliminated. Chromatic aberrations are corrected by canceling the diffractions in the system due to the different wavelengths of the various colors in the projected light.
5214360 Programmable adjustable chair for medical and dental applications May 25, 1993
A position programmable adjustable chair particularly useful in dental and medical procedures. The chair is hydraulically powered and controlled by microprocessors which enable chair seat and back positions to be memorized and automatically captured upon command by use of a single contro
5203696 Fiber-optic protectant for heat sterilizable instruments April 20, 1993
The light transmissibility of a fiber-optic bundle such as contained in a medical/dental instrument is maintained by the application to the polished and ground end surfaces of the bundle of a thin, substantially-transparent, heat-resistant, hydrophobic compound such as a silicone oil
5062797 Alloy bearing for dental scaler November 5, 1991
An improved rotor shaft for a vibratory dental scaling instrument. The shaft includes a metal substrate having a surface layer of nickel-boron alloy. The alloy surface layer provides a durable bearing surface for a rotor rotatably mounted on the shaft. The thus fabricated scaling ins
5045055 Flow control valve assembly for syringes September 3, 1991
A sterilizable medical/dental syringe having a handle with a nozzle at one end is provided with means for releasably coupling the other end of the handle to a flexible supply hose providing compressible gases and/or noncompressible liquids. When disconnected from the flexible hose supply
5003434 Miniature hand-held spot source of illumination March 26, 1991
A miniature hand-held spot source of illumination particularly suited for use by health professionals to view and operate upon a patient's anatomy. The spot-source includes a handle with a tool mounted at its proximal end and a source for projecting light into the vicinity of the tool. T
4966552 Sterilizable non-lubricated rotary instrument for dental and medical use October 30, 1990
A handpiece particularly suited for medical/dental applications in which a rotary tool is used upon and in proximity with anatomical structures. The handpiece has an anti-friction bearing assembly which mounts the rotary tool. At least the rolling elements of the bearing assembly are for
4957483 Sterilizable syringe September 18, 1990
A sterilizable medical/dental syringe having a handle with a nozzle at one end is provided with means for releasably coupling the other end of the handle to a flexible supply hoses providing compressible gases and/or noncompressible liquids. When disconnected from the flexible hose suppl
4824190 Cabinetry door and transparency viewer April 25, 1989
A cabinetry door including a first member having a backwardly extending peripheral border and a second member having a forwardly extending peripheral border with a peripheral flange, wherein the peripheral flange of the second member is attached to the first member within its peripheral

 
 
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