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Browse by Category: Main > Tools & Hardware
Class Information
Number: 81/57.14
Name: Tools > Wrench, screwdriver, or driver therefor > Machine > Gear-operated > With motor > Parallel axis drive
Description: Wrench or screwdriver wherein the handle, or like drive means, is in a parallel relationship with respect to the work engaging means.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7600449 Power adjustable wrench Oct. 13, 2009
7513178 Hydraulic screw tightening or tensioning device Apr. 7, 2009
7458295 Interchangeably manual or automatic ratchet wrench tool Dec. 2, 2008
7357053 Vehicle tie rod adjustment device Apr. 15, 2008
7284463 Attachment for a socket wrench, and method Oct. 23, 2007
7263916 Electric wrench Sep. 4, 2007
7246541 Pipefitting engaging tool assembly Jul. 24, 2007
7225707 Torque wrench with quick-release gear set Jun. 5, 2007
7100476 Torque wrench for dental implants Sep. 5, 2006
6959625 Fastener installation tool Nov. 1, 2005
6945139 Offset socket drive Sep. 20, 2005
6920808 Double-action power pipe wrench Jul. 26, 2005
6918322 Multiple screw driving machine Jul. 19, 2005
6851335 Tong with composite belt and methods for making and using same Feb. 8, 2005
6834567 Multiple torque adjustable spindles with a single drive motor Dec. 28, 2004
6829967 Power tong tool Dec. 14, 2004
6739221 Power driven wrench May. 25, 2004
6511201 Air gun with integral air powered light Jan. 28, 2003
6494120 Bolt and nut disassembling apparatus Dec. 17, 2002
6487940 Nut driver Dec. 3, 2002
6457385 Precision driver rotation structure Oct. 1, 2002
6401572 Torque tool Jun. 11, 2002
6327938 Jaw unit for use in a power tong Dec. 11, 2001
6305245 Multiple lug nut removal tool Oct. 23, 2001
6260252 Method and apparatus for assembling or disassembling an installation present on a seabed Jul. 17, 2001
6044729 Powered lug wrench with adjustable stabilizing bar Apr. 4, 2000
6035746 Gear transmission cartridge Mar. 14, 2000
6012359 Gear transmission cartridge Jan. 11, 2000
5974913 Powered gate valve wrench apparatus Nov. 2, 1999
5778741 Stationary key mounting in fastener tool Jul. 14, 1998
5699702 Wrenching tool with free-floating, self-relieving anti-rotation key Dec. 23, 1997
5697266 Line fitting orientation guide for a fitting manipulating tool including a split socket and combination thereof Dec. 16, 1997
5586474 Torque transfer tool Dec. 24, 1996
5582079 Bolt tightening device Dec. 10, 1996
5553519 Fastener installation tool Sep. 10, 1996
5540629 Mechanism for conteracting reaction torque in a powered, reversible, hand-held rotary driver Jul. 30, 1996
5540122 Torque transfer tool Jul. 30, 1996
5524512 Drywall screwdriver depth adjustment Jun. 11, 1996
5522285 Mechanism for locating a slotted socket relative to a drive transfer housing and combination thereof Jun. 4, 1996
5490439 Nut tightening device Feb. 13, 1996
5461947 Tool holder with ejection slot Oct. 31, 1995
5460062 Reaction unit for threaded connector manipulating device and combination thereof Oct. 24, 1995
5438891 Collet type fastener removal tool Aug. 8, 1995
5412546 Power wrench May. 2, 1995
5355751 Motor-driven wrench Oct. 18, 1994
5284071 Unfolding bolt tightening spanner Feb. 8, 1994
5277085 Multi-shaft electrically-operated automatic nut runner Jan. 11, 1994
5207128 Tong with floating jaws May. 4, 1993
5203242 Power tool for two-step tightening of screw joints Apr. 20, 1993
5179876 Device for rotary torque enhancement Jan. 19, 1993

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