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Class Information
Number: 310/50
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Portable or hand tool
Description: Subject matter in which the dynamoelectric device is arranged to be transported or operated while held in the hand.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6364033 |
Portable electric tool |
Apr. 2, 2002 |
| 6357534 |
Battery pack latching assembly for fastener driving tool |
Mar. 19, 2002 |
| 6357533 |
Battery-powered hand-guided power tool |
Mar. 19, 2002 |
| 6331744 |
Contactless energy transfer apparatus |
Dec. 18, 2001 |
| 6323570 |
Rotary brush device and vacuum cleaner using the same |
Nov. 27, 2001 |
| 6321856 |
Two-position screwdriver |
Nov. 27, 2001 |
| 6320286 |
Portable electric tool |
Nov. 20, 2001 |
| 6316890 |
Hand controlled motor driven oscillating device |
Nov. 13, 2001 |
| 6308378 |
Frictional gripping arrangement for a power tool handle |
Oct. 30, 2001 |
| 6296065 |
Dual-mode non-isolated corded system for transportable cordless power tools |
Oct. 2, 2001 |
| 6296427 |
Two speed right angle drill |
Oct. 2, 2001 |
| 6295510 |
Modular machinery data collection and analysis system |
Sep. 25, 2001 |
| 6286609 |
AC/DC chopper for power tool |
Sep. 11, 2001 |
| 6286611 |
Power tool having interchangeable tool head |
Sep. 11, 2001 |
| 6246133 |
High efficiency motor for low velocity, high volume fan and other applications |
Jun. 12, 2001 |
| 6237698 |
Terminal protection system for portable power tools |
May. 29, 2001 |
| 6223835 |
Battery-powered hand-guided power tool |
May. 1, 2001 |
| 6220368 |
Powered surgical instrument having locking systems and a clutch mechanism |
Apr. 24, 2001 |
| 6218746 |
Cordless multi-purpose high torque generating assembly |
Apr. 17, 2001 |
| 6206107 |
Power tool |
Mar. 27, 2001 |
| 6201362 |
Electromagnetic hammer with mobile ferromagnetic weight |
Mar. 13, 2001 |
| 6199642 |
Reversible ratcheting power tool with synchronized motor and ratchet control |
Mar. 13, 2001 |
| 6198195 |
High efficiency motor for low velocity, high volume fan and other applications |
Mar. 6, 2001 |
| 6181090 |
Drive control method for linear oscillating motors and a linear oscillating motor |
Jan. 30, 2001 |
| 6176322 |
Power tool having interchangeable tool head |
Jan. 23, 2001 |
| 6170579 |
Power tool having interchangeable tool head |
Jan. 9, 2001 |
| 6163094 |
Portable power tool with a heat screening means |
Dec. 19, 2000 |
| 6153838 |
Switch lock-off mechanism |
Nov. 28, 2000 |
| 6144122 |
Power tool with switch and electrical connector assemblies |
Nov. 7, 2000 |
| 6144121 |
Motor-driven tools |
Nov. 7, 2000 |
| 6127751 |
Electric tool |
Oct. 3, 2000 |
| 6124652 |
Reversing mechanism for electric motors |
Sep. 26, 2000 |
| 6102134 |
Two-position screwdriver |
Aug. 15, 2000 |
| 6102632 |
Two speed right angle drill |
Aug. 15, 2000 |
| 6093987 |
Appliance having an a.c. series motor and having switching means for switching this motor to different speeds |
Jul. 25, 2000 |
| 6084327 |
Internal vibrator supplied with current from a transformer |
Jul. 4, 2000 |
| 6069423 |
Motor cooling and sound absorbing system |
May. 30, 2000 |
| 6060801 |
High energy magnetizer/demagnetizer for drill housing |
May. 9, 2000 |
| 6043575 |
Power tool with air deflector for venting motor exhaust air |
Mar. 28, 2000 |
| 6025662 |
Structure for prevention of electrical leakage for use in electric power tools |
Feb. 15, 2000 |
| 6005489 |
Electric power tool with code receiver |
Dec. 21, 1999 |
| 6002927 |
Method and apparatus for cooling an electronic device and generating a vibrational signal |
Dec. 14, 1999 |
| 5982059 |
Electric generator and lighting assembly |
Nov. 9, 1999 |
| 5977667 |
Engine-operated generator |
Nov. 2, 1999 |
| 5955799 |
Linear vibration motor and method for controlling vibration thereof |
Sep. 21, 1999 |
| 5955802 |
Reversing mechanism for electric motors |
Sep. 21, 1999 |
| 5945762 |
Movable magnet transmitter for inducing electrical current in an implanted coil |
Aug. 31, 1999 |
| 5929611 |
Light weight rotor and stator with multiple coil windings in thermal contact |
Jul. 27, 1999 |
| 5911281 |
Pneumatic power tool |
Jun. 15, 1999 |
| 5881823 |
Hand machine tool with battery operated drive motor, and battery unit for the same |
Mar. 16, 1999 |
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