Patents
Sitemap › B25 - Hand tools; Portable power-driven tools; Handles for hand implements; Workshop equipment; Manipulators › B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding › B25B 13 - Spanners; Wrenches
Patents for B25B 13 - Spanners; Wrenches (18,360)
12/1991
12/11/1991CN1056841A Lock and hexagonal mut combination for mounting vehicle wheels
12/10/1991US5070749 Tool for use in loosening or tightening vehicle wheel fasteners
12/10/1991CA2043571A1 Multifunctional tool
12/04/1991CN2089866U Electrician tool for hanging on bosom
12/04/1991CN2089864U Quick tight and loose screw moving spanner
11/1991
11/27/1991EP0458771A1 Socket tools
11/27/1991EP0458145A1 Stud driving chuck
11/27/1991EP0457956A2 Socket wrench
11/27/1991CN2089393U Simple structure pipe twist
11/27/1991CN2089392U Back and forth step box end wrench
11/27/1991CN2089391U Quick adjusting wrench
11/27/1991CN2089390U Dual-purpose wrench for tap and die of screw
11/26/1991US5067376 Adjustable extension wrench for ratchet drive
11/26/1991CA1292376C Extension device for power screwdriver
11/24/1991CA2041016A1 Socket wrench
11/24/1991CA2017627A1 Ratchet wrench
11/23/1991WO1991017869A1 Torque wrench
11/23/1991CA2083495A1 Torque wrench
11/22/1991CA2142586A1 Ratchet tool
11/19/1991US5065648 Oil filter wrench
11/18/1991CA2029920A1 Strap wrench
11/13/1991CN2088468U 链条式扳手 Chain wrench
11/13/1991CN2088467U Ratchet spanner
11/12/1991US5063797 Hand-held tool for rotatably driving a bit
11/12/1991US5063796 Tool driver with a handle
11/12/1991US5063652 Method for installing top beam "C" clamps
11/06/1991EP0454852A1 Motion converting mechanism and revolving tool
11/06/1991EP0454835A1 Wrench
11/06/1991CN2088022U Multi-functional valve wrench
11/06/1991CN2088021U Socket wrench
11/06/1991CN2088020U Novel ring jaw wrench
11/05/1991US5062895 Chemical composition, and methods of constructing and utilizing same
11/05/1991US5062328 Plastic wrench with metal insert
11/05/1991US5062327 Yoke nut tightening wrench
11/05/1991US5062326 Power-driven or manually-operated wrench puller for tightening or loosening threadedly-engaged work pieces
11/02/1991WO1991017364A1 Lock and hexagonal nut combination for mounting vehicle wheels
10/1991
10/30/1991CN2087555U Adjustable spanner with speedy adjustable movable clamping block
10/23/1991CN2087120U Multi-purpose wrench
10/22/1991US5058463 Ratchet wrench with dual-rotating constant drive handle
10/15/1991US5056635 Reversible free wheeling mechanical drive mechanism
10/15/1991US5056384 Torque wrench
10/09/1991CN2086188U Multi-purpose spanner
10/09/1991CN2086187U Fast adjustable spanner
10/09/1991CN2086186U Improved fast adjustable spanner
10/08/1991US5054179 Faucet valve removal and insertion tool
10/03/1991WO1991014540A1 Improving locking for ratchet tool
10/02/1991CN2085704U Self-adjustable spanner
10/02/1991CN2085703U Dual-purpose fast adjustable spanner
10/02/1991CN2085686U Anti-theft special screw bolt and spanner
10/01/1991US5052252 Self-locking and releasing gripping tool
10/01/1991US5052250 Starter plug
10/01/1991US5052249 Bolt wrench
10/01/1991CA1289917C Self-storing tool set
10/01/1991CA1289781C Ratchet wrench with manual disassembly capability
09/1991
09/27/1991CA2030172A1 Dual operation ratchet wrench
09/25/1991EP0165237B1 Improved ratchet wrench
09/25/1991CN2085286U Monkey wrench
09/24/1991US5050465 Pliers device
09/24/1991US5050464 Multi-surface wrench
09/24/1991US5050463 Ratchet wrench
09/24/1991CA1289393C2 Ratchet wrench
09/24/1991CA1289392C Torque wrenches
09/24/1991CA1289385C Reversible unidirectional transmission
09/19/1991WO1991013725A1 Improving locking for ratchet tool
09/18/1991EP0447240A1 Ratchet wrench with manually removable core
09/18/1991CN2084862U Adjustable box spanner
09/18/1991CN2084861U Multipurpose adjustaboe spanner
09/18/1991CN2084860U Spanner
09/17/1991US5048380 Adjustable wrench
09/17/1991US5048379 Multi-functional double-ended socket wrenches
09/17/1991US5048378 Tool and method for faucet nut installation
09/17/1991US5048138 Shoe spike wrench and cleaning tool
09/17/1991CA2037592A1 Ratchet wrench with manually removable core
09/17/1991CA1288977C Adjustable wrench
09/17/1991CA1288976C Clutch type socket wrench
09/12/1991DE4105929A1 Spanner for hooked screw - guides screw centrally in axial direction
09/11/1991EP0445262A1 Universal, self-blocking vice key.
09/11/1991CN1054478A Self-lock nut for loose prevention and special spanner
09/04/1991CN2083990U Fast opening and closing pipe wrench
09/04/1991CN2083989U Self-fastening & auto-adjusting involute pipe wrench
09/04/1991CN2083988U Multipurpose wrench
08/1991
08/27/1991CA1287991C Torque-limited collar, joint, process for setting the joint, and driver
08/22/1991WO1991012438A1 Locking and unlocking arrangement for a screw or nut device, particularly a theft prevention screw or nut on a vehicle wheel
08/22/1991DE4005083A1 Inserting fastening bolts in cladding panels - using guide bush and torque limited nut runner to expand bolt sleeve into hole
08/22/1991DE3940170A1 Open-ended ratchet spanner - has two open-mouthed driving disks with ratchet teeth alternatively engaged by two spring-loaded links
08/20/1991US5040439 Adjustable wrench
08/14/1991CN2082662U Compressed gas pressure reducer with steering handle
08/14/1991CN2082661U Multipurpose spanner
08/14/1991CN2082660U Ring jaw type free returning stroke spanner
08/13/1991US5038644 Finger wrench or the like
08/13/1991US5038452 Method of assembling an improved ratcheting tool driver
08/08/1991WO1991011294A1 Nut-driving tool
08/07/1991EP0439673A2 Mechanical device for mutually connecting or disconnecting working parts
08/07/1991CN2082224U Reinforced wrench
08/07/1991CN2082223U Auto-adjustble wrench
08/07/1991CN2082222U Hexahedral quick wrench
08/07/1991CN2082221U Open jaw type wrench with ratchet wheel
08/07/1991CN2082220U Universal wrench screw-driver
08/06/1991US5037260 Lock and hexagonal nut combination for mounting vehicle wheels
08/02/1991CA2009249A1 Coaxial cable hook up wrench
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