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Class Information
Number: 310/47
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Magnetic motors > Portable or hand tool (e.g., dry shavers)
Description: Subject matter in which the dynamoelectric device is arranged to be transported or operated while held in the hand.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7600577 Device for sensing the direction of rotation of a hand tool comprising an electric motor Oct. 13, 2009
7443058 Actuator capable of reciprocal linear driving and rolling driving and power toothbrush using the same Oct. 28, 2008
7395875 Rechargeable battery-operated hand machine tool Jul. 8, 2008
7323796 Motor-driven tool Jan. 29, 2008
7323797 Power tool Jan. 29, 2008
7217069 Hand-held tool with a removable object sensor May. 15, 2007
7186117 Connection mechanism for battery pack and power tools Mar. 6, 2007
7166939 Electric hand tool Jan. 23, 2007
7122921 Top loading internal assembly for a power toothbrush Oct. 17, 2006
7095142 Pneumatic tool with integrated electricity generator Aug. 22, 2006
7090372 Generator-driven lighting device for hand-held power tool Aug. 15, 2006
7080696 Motor mounting and sealing arrangement for a power tool Jul. 25, 2006
7067945 Apparatus for converting side-to-side driving motion to rotational motion with a spring assembly and system for tuning the spring assembly Jun. 27, 2006
7015602 Small electric appliance with a drive mechanism for generating an oscillatory motion Mar. 21, 2006
6979155 Hand-held power tool having a detecting device Dec. 27, 2005
6927512 Method for assembling an electrical connector assembly for a power tool Aug. 9, 2005
6909207 Electric tool and its insulating method Jun. 21, 2005
6902012 Percussion electrical hand-held tool Jun. 7, 2005
6900560 Holdable multi-functional rotary device May. 31, 2005
6827157 Hand power tool with housing having air inlet and air outlet openings Dec. 7, 2004
6729413 Power tool with battery pack ejector May. 4, 2004
6713905 Electric-motor rotary power tool having a light source with a self-generating power supply Mar. 30, 2004
6672402 Combined fastenerless motor end cap and output device mounting Jan. 6, 2004
6443675 Hand-held power tool Sep. 3, 2002
6445097 Method for assembling and electrical connector assembly for a power tool Sep. 3, 2002
6437465 Rotary brush device and vacuum cleaner using the same Aug. 20, 2002
6412572 Battery-powered hand-guided power tool Jul. 2, 2002
6400048 Rotary brush device and vacuum cleaner using the same Jun. 4, 2002
6376942 Battery-powered drill Apr. 23, 2002
6376947 Motor mounted switch Apr. 23, 2002
6357533 Battery-powered hand-guided power tool Mar. 19, 2002
6323570 Rotary brush device and vacuum cleaner using the same Nov. 27, 2001
6320286 Portable electric tool Nov. 20, 2001
6308378 Frictional gripping arrangement for a power tool handle Oct. 30, 2001
6294857 Structure for attaching brush holders to an electric power tool Sep. 25, 2001
6259175 Linear actuator Jul. 10, 2001
6246133 High efficiency motor for low velocity, high volume fan and other applications Jun. 12, 2001
6239521 Motor cover arrangement May. 29, 2001
6218746 Cordless multi-purpose high torque generating assembly Apr. 17, 2001
6198195 High efficiency motor for low velocity, high volume fan and other applications Mar. 6, 2001
6163092 Reciprocating motor with arcuate pole faces Dec. 19, 2000
6144121 Motor-driven tools Nov. 7, 2000
6140723 Vibration generating device and oral hygiene device using same Oct. 31, 2000
6084327 Internal vibrator supplied with current from a transformer Jul. 4, 2000
6069423 Motor cooling and sound absorbing system May. 30, 2000
6043575 Power tool with air deflector for venting motor exhaust air Mar. 28, 2000
6037724 Electronic controlled surgical power tool Mar. 14, 2000
5982059 Electric generator and lighting assembly Nov. 9, 1999
5955802 Reversing mechanism for electric motors Sep. 21, 1999
5881823 Hand machine tool with battery operated drive motor, and battery unit for the same Mar. 16, 1999

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