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Class Information
Number: 81/176.15
Name: Tools > Wrench, screwdriver, or driver therefor > Spanner > Having means to engage work axially
Description: Wrench wherein the work engaging projection or recess extends along the axis about which the twisting strain is applied to the work.










Sub-classes under this class:

Class Number Class Name Patents
81/176.2 And means to engage peripheral face of work 72


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8495932 Tool for removing lug nuts Jul. 30, 2013
8490522 Wheel bearing removal tool system Jul. 23, 2013
8479617 Portable cylinder assembly torque tool Jul. 9, 2013
8418363 Threaded rod plunger installation tool Apr. 16, 2013
8402879 Tool for screwing a piston onto the piston rod of a hydraulic cylinder and hydraulic cylinder Mar. 26, 2013
8230765 Tree step installation tool Jul. 31, 2012
7963197 Plumbing tool Jun. 21, 2011
7836800 Tool for tightening and loosening a fastener Nov. 23, 2010
7712400 Pretensioning tool for an eccentric tensioning device May. 11, 2010
7704042 Turbomachine, especially a gas turbine Apr. 27, 2010
7644876 Turning tool for turning a plumbing fitting Jan. 12, 2010
7562605 Drain and strainer wrench Jul. 21, 2009
7526983 Tool for removing and installing a pop-up pool cleaning head assembly May. 5, 2009
7520537 Attachment nut for oil cooler line Apr. 21, 2009
7347126 Clamping system for the tool holding fixture of machine tools Mar. 25, 2008
7334507 Teethless adjustable spanner Feb. 26, 2008
7293482 Wing nut installation and removal tool Nov. 13, 2007
7272996 Spanner socket Sep. 25, 2007
7258045 Tree step tool Aug. 21, 2007
7237464 Fastening tool for screw threaded bolts Jul. 3, 2007
7231852 Faucet nut wrench kit Jun. 19, 2007
7185567 Torque plate tool and method for sprinkler head installation Mar. 6, 2007
7152510 Clamping system for the tool holding fixture of machine tools Dec. 26, 2006
7131357 Universal golf spike removal tool Nov. 7, 2006
7100478 Wrench Sep. 5, 2006
7069824 Leverage handle Jul. 4, 2006
7069822 Movable wrench handle assembly Jul. 4, 2006
7021178 Boat cap remover Apr. 4, 2006
7013764 Basket strainer extractor device Mar. 21, 2006
7000506 Cable clamp lock nut wrench Feb. 21, 2006
6988431 Removal tool for locking nut, bolt and clip systems and assemblies Jan. 24, 2006
6978703 Cam gear holding and turning wrench Dec. 27, 2005
6969057 Method and apparatus for adjusting and positioning air caps Nov. 29, 2005
6955183 Pressure tank valve socket Oct. 18, 2005
6901825 E-Z shutter crank Jun. 7, 2005
6899001 Firefighter's wrench May. 31, 2005
6899002 Apparatus for installing and removing sink strainer nuts May. 31, 2005
6895838 Apparatus system and method for installing a strainer lock May. 24, 2005
6860177 Anti-fraud lock screw with a freely rotating dome on a polygonal head Mar. 1, 2005
6826984 Lock nut sockets Dec. 7, 2004
6813978 Universal adjusting tool Nov. 9, 2004
6779424 Electrician's wrench Aug. 24, 2004
6755099 Drive wrench structure Jun. 29, 2004
6715385 Combination tool for assembling and dismantling a lock nut of a bearing of a wheel axle of a wheeled vehicle Apr. 6, 2004
6715384 Multi-functional fastener driver device Apr. 6, 2004
6711975 Fore end wrench Mar. 30, 2004
6701810 Radiator cap tool Mar. 9, 2004
6688484 Tamper evident container closures Feb. 10, 2004
6609445 Socket for a pipe line valve Aug. 26, 2003
6606773 Pool cover installation bar Aug. 19, 2003

1 2 3 4










 
 
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