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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 3

Patent Number Title Of Patent Date Issued
8671804 Fastener installation tool with quick change key Mar. 18, 2014
8584554 Torque multiplier Nov. 19, 2013
8505415 Power wrench with swivelling gear casing Aug. 13, 2013
8443503 Automated toe adjustment apparatus using floating mechanism May. 21, 2013
8434389 Torque wrench with "deadband" elimination and improved torque monitoring system May. 7, 2013
8322255 Multi-wrench gear head apparatus for adjusting vehicle tie-rods Dec. 4, 2012
8316739 Screwdriving system with variably adjustable screwdriving spindles Nov. 27, 2012
8141459 Powered adjustable pipe wrench Mar. 27, 2012
8082822 Vehicle toe set adjustment device and method Dec. 27, 2011
8015901 Tie rod adjustment open-end wrench Sep. 13, 2011
7963195 Powered ratchet assembly Jun. 21, 2011
7942084 Powered driver and methods for reliable repeated securement of threaded connectors to a correct tightness May. 17, 2011
7886635 Bolt or nut tightening device Feb. 15, 2011
7836797 Tool ratchet Nov. 23, 2010
7798038 Reaction arm for power-driven torque intensifier Sep. 21, 2010
7757587 Bolt or nut tightening device Jul. 20, 2010
7735398 Rechargeable motor-driven ratchet wrench having power-off protection Jun. 15, 2010
7721627 Attachments for power tools May. 25, 2010
7717014 Torque drive for making oil field connections May. 18, 2010
7661335 Screw tightening apparatus Feb. 16, 2010
7654174 Tappet clearance adjustment device Feb. 2, 2010
7631580 Wrench for tightening pipe nuts Dec. 15, 2009
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

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