Patents for B25B 13 - Spanners; Wrenches (18,360)
03/1989
03/07/1989US4809569 Anti-theft system for articles secured by recessed socket head threaded fasteners
03/07/1989CA1250771A1 Adjustable, anti-rotation device for a fastener receptacle
03/02/1989DE3818470A1 Spanner fitted with a ratchet, for providing a free return stroke of the handle
03/01/1989CN2033328U Spanner, especially tube spanner
03/01/1989CN2033327U Movable spanner having multi-role
02/1989
02/28/1989US4807500 Reversing ratchet mechanism for tools
02/28/1989US4807499 Socket drive and socket with stable universal coupling
02/28/1989US4807349 Fastener removing method
02/23/1989WO1989001390A1 Motor-driven apparatus for manipulating valves
02/22/1989CN2032926U Adjustable self-tighten pipe wrench
02/22/1989CN2032925U Plug-in type multipurpose double offset ring spanner
02/21/1989US4805495 Bolt head reforming tool
02/16/1989DE3724949A1 Handle for a tool for carrying in a motor vehicle
02/15/1989EP0303278A1 Tool
02/15/1989CN2032533U Adjustable spring spanner
02/15/1989CN2032532U Two-way spanner
02/15/1989CN2032531U 多功能扳手 Multifunctional Wrench
02/15/1989CN2032530U Convenient monkey spanner
02/15/1989CN2032529U Special monkey spanner with hand wheel
02/14/1989US4803904 Extension device for power screwdriver
02/14/1989CA1249934A1 Wheel rim wrench
02/09/1989WO1989000907A1 Socket-wrench hand tool
02/08/1989CN2032118U Spanner with fast continuous moving feature
02/08/1989CN2032117U Spanner for automobile air exhausting
02/08/1989CN2032116U Combined spanner
02/07/1989US4802389 Adjustable workpiece gripping and rotating device
02/07/1989US4802387 Reversible unidirectional transmission
02/07/1989CA1249738A1 Stud installer
02/02/1989DE3721564A1 Device for preventing undesired rotational movements in the case of rotatable elements, and tool for fitting said device
01/1989
01/31/1989US4800787 System to install a vandal-resistant screw
01/31/1989US4800786 Elastomeric sleeve for wrench socket and method of manufacture thereof
01/31/1989US4800785 Dual-drive ratchet wrench
01/25/1989CN2031336U Multi-end spanner
01/24/1989US4799407 Ratchet screwdriver
01/19/1989DE3742568A1 Bracket with shear key
01/18/1989EP0299477A1 Hydraulically operable hand tool
01/18/1989CN2030933U Improved type manual tool
01/17/1989US4798111 Socket-wrench hand tool
01/17/1989US4798108 Adjustable socket-forming device
01/17/1989US4797965 Wrench with rack and segment gear linkage
01/17/1989CA1248789A1 Socket wrench having automatic nut-ejecting capability
01/12/1989WO1989000093A1 Ratchet key chuck tool
01/11/1989CN2030529U Adjustable spanner
01/10/1989US4796493 Apparatus and method for unscrewing a bicycle chain sprocket
01/10/1989US4796492 Clutch type socket wrench
01/04/1989CN2030134U Self-locking gripping pliers
01/04/1989CN2030133U Numeral type adjustable wrench
01/03/1989US4794993 Manual torque magnifying impact tool
01/03/1989US4794829 Ratchet-type wrench
01/03/1989US4794827 Drain plug removing device
01/03/1989US4794824 Adjustable vice-locking end wrench
01/03/1989CA1247887A1 Ratcheting tool
01/03/1989CA1247886A1 Handle with alternate tool orientation
12/1988
12/28/1988CN88211375U Simple one-way wrench
12/28/1988CN88211302U Self-locking wrench
12/27/1988US4793225 Clamping tool
12/27/1988US4793223 Nut and wrench system
12/27/1988US4793222 Ratcheting tool driver and method of assembling a ratcheting tool driver
12/21/1988CN87216292U Chain wrench
12/21/1988CN87216276U Equianqular helical type stepless dimension self adjusting and locking machanism
12/20/1988US4791837 Speed wrench and hand grip combination
12/20/1988US4791836 Ratchet mechanism
12/14/1988CN88210458U Automatic opening and closing open spanner
12/14/1988CN88204311U Adjustable torque value spanner
12/14/1988CN88202782U Multifunction ratchet spanner
12/14/1988CN87205298U Self-adjusting tube-pliere and spanner
12/13/1988US4790219 Handled ratchet-breaker bar tool
12/13/1988CA1246358A1 Wrench
12/13/1988CA1246357A1 Different taper stud remover/installer
12/06/1988US4788894 Hand tool for removing sprinkler heads from underground watering systems
12/01/1988WO1988009444A1 A fastening device and a tool for securing the same
12/01/1988WO1988009244A1 An open-ended, high torque wrench for use on nuts to which there is limited access
12/01/1988DE3716808A1 Screw
11/1988
11/30/1988EP0292604A2 Device for mechanically fastening roof sealing foils and insulating materials to roofs
11/29/1988US4787278 Tool bit driver with spring retainer
11/29/1988US4787277 Sliding ratchet wrench
11/29/1988US4787275 Adjustable double-ended box wrench
11/29/1988US4787273 Wrench retaining device
11/23/1988CN88200968U Multipurpose spanner
11/17/1988EP0290563A1 Reversible unidirectional transmission.
11/17/1988EP0290440A1 Liquid extraction outlets for beverage containers
11/15/1988US4784549 Torque-limited collar
11/15/1988US4783893 Method of removing a head from a golf club
11/09/1988CN88203379U Push-pull adjusting type pipe wrench
11/09/1988CN88200690U Quick self-adjustable wrench
11/08/1988US4782574 Method for mounting a socket
11/02/1988CN87214448U “磁性扳手” "Magnetic wrench"
11/02/1988CN87102730A Self-locking type pipe wrench
11/01/1988US4781507 Quick acting threaded fastener assembly
11/01/1988US4781086 Fluid fitting wrench
11/01/1988US4781084 Adjustable socket-type wrench
11/01/1988US4781083 Ratchet key chuck tool
11/01/1988US4781082 Kit facilitating removal of wheel lug stud and associated method
10/1988
10/26/1988EP0287702A1 Security device for motor vehicle wheels
10/26/1988CN87215694U Multi-purpose side open ratchet shap wrench
10/25/1988US4779341 Method of using a tap plug installation tool
10/19/1988CN88210255U Multipurpose spanner
10/19/1988CN87203459U Spanner for double-head screw bolt
10/18/1988US4778730 Method of applying non-slip coating to tools and resulting product
10/18/1988US4777853 Bolt starter for starting bolts and the like through unaligned holes