Assignee: Hu-Friedy Mfg. Co., Inc.

Location: Chicago, IL
No. of patents: 19

Number	Title	Issue Date
D647205	Control unit	10/18/2011
7766656	Dental delivery device A single use cartridge 10 is disclosed for dispensing a medicament or other substance for dental, medical, or veterinarian applications. A motive fluid can contact the medicament to mix and dispense from reservoir 12, or the motive fluid can act on a p...	08/03/2010
7182595	Distal end cutter A flush cutter of wires located on a patient's teeth has at least one pivotably carried cutting edge. An outer surface of the edge can be positioned adjacent to a surface from which the wire protrudes. An elastic insert or clamp, for griping cut wire ends, is carrie...	02/27/2007
7159494	Torque limiting wrench for ultrasonic scaler tip insertion A torque wrench for preventing transmission of torque in excess of a threshold level to avoid damage to replaceable scaler tips and hand pieces of ultrasonic dental instruments. The torque wrench has a housing with a core seated therein, with a cam mechanism or spri...	01/09/2007
7011520	Two part ultrasonic swivel insert, with one part rotatable relative to the other An ultrasonic insert carries a rotary bearing adjacent to the transducer. The bearing slidably engages an ultrasonic handpiece. When seated in the handpiece, the insert is substantially decoupled, on a rotary axis, from the handpiece. A rotary force need only be app...	03/14/2006
6811399	Torque lock for ultrasonic swivelable inserts and method An ultrasonic insert insertable into a handpiece for carrying out a dental treatment is easily rotatable by a practitioner with only two fingers. The body of the insert is clamped via a torque lock element which carries a plurality of radially extending barbs which ...	11/02/2004
6729877	Dental instrument having enlarged handle and glued cone A dental instrument has an elongated handle, in one embodiment, a molded resin handle which incorporates an elongated metal insert, and in another embodiment, a metal handle. At least one tip carrying cone is slidably received into a hollow end of the respective han...	05/04/2004
6716028	Ultrasonic swivel insert An ultrasonic insert carries a rotary bearing adjacent to the transducer. The bearing slidably engages an ultrasonic handpiece. When seated in the handpiece, the insert is substantially decoupled, on a rotary axis, from the handpiece. A rotary force need only be app...	04/06/2004
6361317	Molded, reinforced handle A dental instrument includes a plastic molded handle body which is reinforced by a metallic tube through a center of the body. Tool parts are adhesively secured into opposing open ends of the reinforcing tube. During assembly, a quantity of adhesive is pr...	03/26/2002
6193515	Coded dental handle A color coded elastomeric ring is fit onto a dental instrument. The elastomeric ring includes axial and circumferential formations for increased traction of a dental practitioner's finger to manipulate the instrument. Advantageously, two elastomeric rings...	02/27/2001
6109918	Dental instrument having overlapping helical scoring pattern A dental apparatus or instrument includes a hollow, tubular metal handle, closing members fastened to opposite open ends of the handle, and tool parts connected to the closing members. The metal handle includes a central substantially smooth region and tw...	08/29/2000
5816806	Dental instruments with large molded handles A dental instrument with a large injection molded plastic handle has an elongated generally cylindrical symmetrical shape with first and second spaced apart ends. Anti-slip peripheral groves or slots are molded into the handle adjacent the first and secon...	10/06/1998
5775901	Insert for ultrasonic scaler An insert for an ultrasonic scaling instrument includes an elongated body. A plastic gripping collar surrounds the insert near one of the ends. A fluid input port is on an end of the collar. An internal conduit extends between the fluid flow input port th...	07/07/1998
5433929	Sterilization and storage cassette A sterilization and storage cassette formed of heat-resistant plastic and having two identical tray halves. In one embodiment, at least one tray half includes a rotatable retaining member for retaining dental instruments within the tray. In a second embod...	07/18/1995
5294413	Sterilization and storage cassette A sterilization and storage cassette formed of heat-resistant plastic and having two identical tray halves. In one embodiment, at least one tray half includes a rotatable retaining member for retaining dental instruments within the tray. In a second embod...	03/15/1994
5284632	Two-tiered sterilization and storage cassette A sterilizable instrument cassette for use in storage and sterilization of medical and dental instruments includes two individual storage trays with base plates carrying silicone instrument-locating rails, and rotatable clamping members provided with sili...	02/08/1994
5256064	Dental prosthesis placement instrument An instrument employing multiple adhesives for manipulating and placing dental prosthetics includes an autoclavable handpiece and a removable, disposable foam double-stick pad with pressure-sensitive adhesive coated on opposite sides and protected by rele...	10/26/1993
5215726	Two-tiered sterilization and storage cassette A sterilizable instrument cassette for use in storage and sterilization of medical and dental instruments includes two individual storage trays with base plates carrying silicone instrument-locating rails, and rotatable clamping members provided with sili...	06/01/1993
5161971	Dental instrument An autoclavable instrument for use in discovering and recording information during a dental examination includes a handpiece with a dental probe at one end and a pen at the other. The pen may be reversed or otherwise sealed to withstand autoclaving....	11/10/1992

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Assignee: Hu-Friedy Mfg. Co., Inc.