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Class Information
Number: 81/58.1
Name: Tools > Wrench, screwdriver, or driver therefor > Handle clutched to head > With additional head-turning means
Description: Wrench or screwdriver having means for imparting rotation to the head other than by a translating movement of the handle with respect to the work piece engaged by the head.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8613240 Improver one-piece manual tightening tool for driving a fastener Dec. 24, 2013
8596169 Ratchet wrench Dec. 3, 2013
8397605 Ratchet wrench Mar. 19, 2013
8397831 Rotary tool having a manual ratchet mechanism Mar. 19, 2013
8375829 Wrench for providing two operative modes Feb. 19, 2013
8333133 System to enable high speed operation of socket type ratchet wrenches and other tools Dec. 18, 2012
8196494 Attachment system for ratchet type wrenches Jun. 12, 2012
RE42816 Dual function retainer for a ratcheting wrench Oct. 11, 2011
7946198 Ratcheting driver with helical drive May. 24, 2011
7770494 Ratchet driver Aug. 10, 2010
7677138 Ratchet screwdriver Mar. 16, 2010
7571668 Woundable ratchet wrench Aug. 11, 2009
7555971 Self-contained hydraulically operated tool Jul. 7, 2009
7500418 Torque setting lug nut wrench Mar. 10, 2009
7472629 Ratchet wrench Jan. 6, 2009
7444902 Interchangeably manual or automatic ratchet wrench tool Nov. 4, 2008
7395738 Double action socket wrench Jul. 8, 2008
7331257 Returning assembly of spanner Feb. 19, 2008
7331259 Ratchet wrench Feb. 19, 2008
7320267 Ratchet box end wrench Jan. 22, 2008
7284464 Oil drain plug wrench Oct. 23, 2007
7181996 Ratchet wrench having two driving devices Feb. 27, 2007
7159491 Oil drain plug socket for a wrench assembly Jan. 9, 2007
7121169 Ratchet head Oct. 17, 2006
7111527 Selective one-way screwdriver Sep. 26, 2006
7104165 Swing head structure of wrench with two kinds of torque output Sep. 12, 2006
7069818 Ratchet wrench Jul. 4, 2006
7069816 Motor-driven screw driver Jul. 4, 2006
7040197 Opener providing large arm of force May. 9, 2006
6925910 Ratchet tool Aug. 9, 2005
6860175 Dual function retainer for a ratcheting wrench Mar. 1, 2005
6789449 Ratchet wrench Sep. 14, 2004
6786114 Gripwheel driver and method of attachment to obtain unique properties Sep. 7, 2004
6722232 Manually-powered drive device and assembly Apr. 20, 2004
6698314 Air brake slack adjusting tool Mar. 2, 2004
6681660 Variable speed ratchet wrench and method of use Jan. 27, 2004
6474200 Leverage wrench Nov. 5, 2002
6427560 Screwdriver device Aug. 6, 2002
6382059 Torque wrench system May. 7, 2002
6367356 Tool driver device Apr. 9, 2002
6311584 Ratchet wrench having an additional driving device Nov. 6, 2001
6263768 Ratchet tool operatable at a small angle Jul. 24, 2001
6138531 Hand ratchet wrench Oct. 31, 2000
6116123 Screw driver having a retractable and rotatable handle Sep. 12, 2000
6110067 Method and apparatus for servicing automatic transmissions Aug. 29, 2000
6070499 Ratchet wrench having two modes of reciprocating manual input Jun. 6, 2000
5931061 Gun shape driving tool Aug. 3, 1999
5921157 Dual-bar lug nut removing system Jul. 13, 1999
5775183 Compound wrench apparatus Jul. 7, 1998
5711193 Reversible ratcheting screwdriver with improved reversing ring Jan. 27, 1998

1 2 3










 
 
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