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Class Information
Number: 433/27
Name: Dentistry > Apparatus > Having condition sensor to transmit signal to regulate indicating device or controller
Description: Device wherein means are provided for detecting the random occurrence of a predetermined event and releasing, terminating, or modifying a flow of energy which in turn either produces a perceptible manifestation of the event, or regulates a control means (e.g., motor, valve, solenoid, etc.).

Sub-classes under this class:

Class Number Class Name Patents
433/28 Switch or valve controlled by presence of device on support 55

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8602779 Endodontic plugger Dec. 10, 2013
8579630 Apparatus and method for measuring dentin hypersensitivity Nov. 12, 2013
8520925 Device for taking three-dimensional and temporal optical imprints in color Aug. 27, 2013
8413282 Bio-activated oral care instrument Apr. 9, 2013
8398394 Dental treatment center Mar. 19, 2013
8393037 Electric toothbrush Mar. 12, 2013
8359179 Test equipment and portable test device Jan. 22, 2013
8348666 Dynamic water spray intensity for dental handpieces Jan. 8, 2013
8320654 Bone mineral density evaluation device and bone mineral density evaluation method Nov. 27, 2012
8192359 Functional module type medical apparatus, functional module used for the apparatus, medical system using the functional module and medical functional module unit for use in medical treatment a Jun. 5, 2012
8152743 Accessory for apex locating apparatus Apr. 10, 2012
8118594 Dental handpiece with a unitary body and an electrically conductive and elastic connection element Feb. 21, 2012
8106600 Photopolymerization apparatus Jan. 31, 2012
7975341 Bio-activated oral care instrument Jul. 12, 2011
7901210 Rotatable file dental treating device Mar. 8, 2011
7771197 Dental handpiece with a root canal length measurement function Aug. 10, 2010
7758342 Detecting and indicating a proximity of a dental instrument to a tooth apical foramen Jul. 20, 2010
7594813 Apparatus for determining the preload for dental implant systems Sep. 29, 2009
7535184 Photopolymerization apparatus May. 19, 2009
7476101 Dental handpiece with removable apex finding electrode Jan. 13, 2009
7452208 Dental handpiece with a root canal length measurement function Nov. 18, 2008
7267546 Light meter for detecting and measuring intensity of two or more wavelengths of light Sep. 11, 2007
7258546 Medical or dental instrument and/or supply unit and/or care unit and/or system for the medical or dental instrument Aug. 21, 2007
7243440 Gauge for use with power tools Jul. 17, 2007
7229285 Method and device for holding and identifying surgical instruments Jun. 12, 2007
7201574 Method for measuring orthodontic arch wires Apr. 10, 2007
7070411 Dental head unit capable of measuring root canal length, and contact holder assembly therefor Jul. 4, 2006
6968229 Apex locating system Nov. 22, 2005
6955536 Motor control system for endodontic handpiece providing dynamic torque limit tracking of specific file fatigue Oct. 18, 2005
6929476 Dental apparatus Aug. 16, 2005
6872075 Endodontic file with a metallic conductor as part of the plastic handle to facilitate use of electronic apex locators Mar. 29, 2005
6866509 Dental diagnostic system and method Mar. 15, 2005
6845265 Systems and methods for locating a tooth's apical foramen Jan. 18, 2005
6800478 Apparatus and method for detecting biofilm in the water conduits of dental units Oct. 5, 2004
6752626 Device and method for registering the use of an odontological instrument Jun. 22, 2004
6665948 Drill bit penetration measurement system and method Dec. 23, 2003
6616446 Working device for drilling, cutting and screwdriver instruments used for medical purposes Sep. 9, 2003
6611780 System for communicating operational data between an electric toothbrush and a separate control unit Aug. 26, 2003
6611110 Photopolymerization apparatus Aug. 26, 2003
6520773 Endodontic file Feb. 18, 2003
6506050 Dental device and method for controlling same Jan. 14, 2003
6491522 Dental diagnostic system and method Dec. 10, 2002
6470222 Dental delivery system Oct. 22, 2002
6398549 Imaging means and dental unit Jun. 4, 2002
6386865 System for fabrication of indirect dental restoratives May. 14, 2002
6382967 Dental apparatus with display May. 7, 2002
6379149 Dental treatment area Apr. 30, 2002
6361323 Skill acquisition, transfer and verification system hardware and point tracking system applied to health care procedures Mar. 26, 2002
6337994 Surgical needle probe for electrical impedance measurements Jan. 8, 2002
6254392 Means for filling root canals and preparation method Jul. 3, 2001

1 2 3

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