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Class Information
Number: 173/217
Name: Tool driving or impacting > Means to drive tool about an axis > Electric motor
Description: Apparatus wherein the drive means is a device which converts electrical energy to mechanical energy.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404781 |
Multispeed power tool transmission |
Jul. 29, 2008 |
| 7401663 |
Electric motor driven hand-held tool |
Jul. 22, 2008 |
| 7398834 |
Hammer drill with selective lock-on |
Jul. 15, 2008 |
| 7395875 |
Rechargeable battery-operated hand machine tool |
Jul. 8, 2008 |
| 7395876 |
Drill driver |
Jul. 8, 2008 |
| 7360607 |
Hand-held power tool with a torque-limiting unit |
Apr. 22, 2008 |
| 7350592 |
Hammer drill with camming hammer drive mechanism |
Apr. 1, 2008 |
| 7344054 |
Power tool |
Mar. 18, 2008 |
| 7336048 |
Method for operating a power tool |
Feb. 26, 2008 |
| 7331403 |
Lock-out for activation arm mechanism in a power tool |
Feb. 19, 2008 |
| 7331408 |
Power tool housing |
Feb. 19, 2008 |
| 7328752 |
Power tools |
Feb. 12, 2008 |
| 7322427 |
Power impact tool |
Jan. 29, 2008 |
| 7320368 |
Power impact tool |
Jan. 22, 2008 |
| 7318485 |
Method of Controlling the direction of rotation of a power tool |
Jan. 15, 2008 |
| 7308950 |
Drilling and/or hammering tool |
Dec. 18, 2007 |
| 7306046 |
Portable power tool |
Dec. 11, 2007 |
| 7306052 |
Multi-position utility hook assembly for tool |
Dec. 11, 2007 |
| 7306050 |
Toothed ring connecting structure of a power tool |
Dec. 11, 2007 |
| 7287602 |
Spindle lock for rotary power tool |
Oct. 30, 2007 |
| 7287600 |
Hammer drill with wobble mechanism and hollow drive shaft |
Oct. 30, 2007 |
| 7284622 |
Tool holder for hammer |
Oct. 23, 2007 |
| 7281591 |
Electrical connection for a power tool |
Oct. 16, 2007 |
| 7274866 |
Power tool and method for controlling a power tool |
Sep. 25, 2007 |
| 7273159 |
Cordless power tool system with improved power output |
Sep. 25, 2007 |
| 7261166 |
Switch for power tool |
Aug. 28, 2007 |
| 7261586 |
Cord sleeve, and device provided therewith |
Aug. 28, 2007 |
| 7258173 |
Electric power tool |
Aug. 21, 2007 |
| 7243734 |
Power tool with battery power supply |
Jul. 17, 2007 |
| 7225959 |
Portable, battery-powered air compressor for a pneumatic tool system |
Jun. 5, 2007 |
| 7223195 |
Multispeed power tool transmission |
May. 29, 2007 |
| 7220211 |
Multispeed power tool transmission |
May. 22, 2007 |
| 7210541 |
Transducerized rotary tool |
May. 1, 2007 |
| 7210542 |
Power tool safety device |
May. 1, 2007 |
| 7204320 |
Active rotational balancing system for orbital sanders |
Apr. 17, 2007 |
| 7204322 |
Power tool having pneumatic vibration dampening |
Apr. 17, 2007 |
| 7201235 |
Driver drill |
Apr. 10, 2007 |
| 7197961 |
Battery-driven screwdriver with a two-part motor housing and a separate, flanged gear unit |
Apr. 3, 2007 |
| 7186117 |
Connection mechanism for battery pack and power tools |
Mar. 6, 2007 |
| 7182148 |
Tool with motion and orientation indicators |
Feb. 27, 2007 |
| 7182150 |
Cordless hand held power tool with powered accessory |
Feb. 27, 2007 |
| 7174973 |
Power tool interface |
Feb. 13, 2007 |
| 7159671 |
Power tool with reverse gearing operated by external maneuver ring |
Jan. 9, 2007 |
| 7156191 |
Motor and gearbox combination |
Jan. 2, 2007 |
| 7156187 |
Electric hand screwdriver with adjustable head |
Jan. 2, 2007 |
| 7152695 |
Power tool with air seal and vibration dampener |
Dec. 26, 2006 |
| 7140451 |
Portable tool having cover and label to be stuck on the portable tool for identification |
Nov. 28, 2006 |
| 7140450 |
Percussion tool |
Nov. 28, 2006 |
| 7137458 |
Impact mechanism for a hammer drill |
Nov. 21, 2006 |
| 7134510 |
Motor housing and assembly process for power tool |
Nov. 14, 2006 |
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