US Patent No: 5,311,949

Number of patents in Portfolio can not be more than 2000

Power screwdriver handle configuration

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Importance

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Abstract

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A power tool handle includes a tapered tubular portion, which contains a battery pack, a motor, and a gear box. The switch for controlling the electricity from the battery pack to the motor is placed over the gear box and extends through the housing.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COOPER INDUSTRIES, INC.HOUSTON, TX89

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chapin, David S Raleigh, NC 42 736

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MILWAUKEE ELECTRIC TOOL CORPORATION (6)
7,191,526 Movable handle for a power tool 3 2005
D580725 Power tool, such as a drill 1 2006
7,497,152 Movable handle for a power tool 3 2006
7,308,764 Power tool with movable handle 2 2006
8,061,043 Power tool 1 2007
8,640,346 Power tool 0 2011
 
BLACK & DECKER INC. (3)
6,308,378 Frictional gripping arrangement for a power tool handle 90 2000
D470374 Screwdriver 26 2001
* 7,401,663 Electric motor driven hand-held tool 12 2003
 
SNAP-ON TOOLS CORPORATION (2)
* 5,992,540 Air ratchet hand tool with thermoplastic jacket 26 1998
* 6,199,642 Reversible ratcheting power tool with synchronized motor and ratchet control 10 1999
 
CHICAGO PNEUMATIC TOOL COMPANY (1)
D377302 Straight-handle pulse tool 8 1995
 
MAKITA CORPORATION (1)
* 6,742,601 Battery powered tools 12 2001
 
NANJING CHERVON INDUSTRY CO., LTD. (1)
7,243,734 Power tool with battery power supply 6 2005
 
ROBERT BOSCH GMBH (1)
* 8,418,779 Rotary power tool 1 2010
 
ROBERT BOSCH TOOL CORPORATION (1)
* 7,942,617 Nose tip control for cordless high speed rotary tool 0 2004
 
Other [Check patent profile for assignment information] (1)
* 7,565,935 Powered tap driver with rotary control structure 0 2006
* Cited By Examiner