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)
10/1988
10/12/1988EP0285888A1 Ratchet mechanism
10/12/1988CN87213785U High-speed adjustable pipe spanner and wrench
10/12/1988CN87210264U Multi-purpose detachable wrench
10/11/1988US4776412 Nozzle assembly for rotary drill bit and method of installation
10/11/1988US4776244 Open-end wrench
10/06/1988WO1988007434A1 Holders
10/06/1988EP0270533A4 Adjustable socket including rotatable adjuster.
10/05/1988CN87214402U Multifunction tube pliers
10/04/1988US4774862 Open-ended wrench
10/04/1988US4774736 Tool kit for skateboarders
09/1988
09/28/1988CN87216527U Ratchet wheel clyburn spanner
09/27/1988US4773287 Open-ended ratchet wrench
09/21/1988CN87210740U Automatic oil-coating quick motion wrench for railway threaded spike
09/20/1988US4771661 Vibratory pipe wrench
09/13/1988US4770072 Reversible ratchet wrench
09/13/1988US4770071 Tool drive mechanism
09/13/1988US4770070 Ratchet tool having open-ended jaws
09/13/1988CA1241892A1 Operating wrench for tamperproof hydrants
09/07/1988EP0281285A2 Ratchet wrench with manual disassembly capability
09/01/1988DE3705672A1 Turning device
08/1988
08/31/1988EP0279899A1 Screwing tool
08/30/1988US4767006 Holder for allen wrenches
08/30/1988US4766786 Adjustable wrench
08/30/1988US4766785 Pipe clamp
08/30/1988US4766784 Pneumatic tool with a replaceable tool bit turning screws and nuts
08/30/1988US4766783 Extension device for power screwdriver
08/24/1988CN86208723U Combined manual tool
08/23/1988US4765449 Press-in reversing knob
08/23/1988US4765211 Wrench opening
08/23/1988US4765209 Wrenches
08/23/1988US4765009 Multi-functional bar of a manually operated jack
08/23/1988EP0230461A4 Power driven replaceable socket ratchet wrench.
08/16/1988CA1240539A1 Pipe wrench
08/10/1988CN87215100U Effort-saving wrench for vehicle
08/10/1988CN87215074U Self-adjustable ratchet wrench for use as a hand hammer
08/09/1988US4762034 Constrictor lock wrench system
08/09/1988US4762033 Ratchet wrench with manual disassembly capability
08/09/1988US4762032 Socket release assembly for ratchet drive
08/09/1988US4762031 Ratchet wrenches
08/09/1988US4762030 Fastener collar removal tool
08/09/1988CA1240181A1 Adjustable wrench
08/03/1988EP0276936A1 Improvements in or relating to torque wrenches
08/03/1988CN88100320A Improved torque spanner
08/03/1988CN87215747U Curved single direction open end wrench
07/1988
07/28/1988DE3800775A1 Ratchet spanner
07/26/1988US4759645 Bearing base structure for a foldable hex-key wrench set
07/26/1988US4759237 Self-locking nut and tightening tool
07/26/1988US4759122 Device for mounting electronic connectors
07/21/1988DE3700627A1 Multifunction wrench
07/20/1988CN87210766U Quick-spanner
07/19/1988US4757729 Adjustable socket for a wrench
07/13/1988CN87209425U Multifunctional fastening pliers
07/13/1988CN87205301U Stepless self-adjustable spanner and pipe wrench
07/13/1988CN87205296U Self-adjustable spanner
07/13/1988CN87200819U Dual-purpose adjustable spanner
07/06/1988EP0273434A1 Driver for reinforcement bar chemical anchor
07/06/1988CN87214401U Adjustable wrench
07/05/1988US4754670 Adjustable extension torque bar
06/1988
06/29/1988CN87205118U Multi-purpose stepless wrench clamp
06/28/1988US4753626 Constant velocity universal joint and apparatus embodying the same
06/28/1988US4753141 Adjustable wrench
06/28/1988US4753140 Wrench
06/23/1988EP0245370A4 Powered pipe wrench.
06/22/1988CN87205295U Wrench
06/16/1988WO1988004221A1 Self-storing tool set
06/15/1988EP0270533A1 Adjustable socket including rotatable adjuster
06/14/1988US4750390 Hand wrenching tool for installation of torque limited fasteners
06/14/1988US4750389 Strap wrench
06/14/1988US4750388 Oil filter gripping tool
06/14/1988US4750252 Tool and method for installing twist-on rod guides
06/09/1988DE3644442C1 Screwing tool for externally threaded bolts or the like
06/08/1988CN87101181A Reversible unidirectional transmission
06/07/1988US4748878 Impact socket wrench or an attachment assembly with hammering effect
06/07/1988US4748875 Ratchet box wrench with offset handle
06/07/1988US4748874 Wrenches
06/02/1988WO1988003999A1 Reversible unidirectional transmission
06/01/1988DE3738629A1 Device for turning the camshaft of a reciprocating internal combustion engine into its basic position relative to the crankshaft rotational position
05/1988
05/31/1988US4747328 Swivel arm ratchet wrench
05/31/1988CA1237305A1 Nut device having an automatic positive locking
05/25/1988CN87207499U 多功能呆扳手 Multifunctional wrench
05/19/1988DE3719651C1 Wheel nut wrench for motor vehicles
05/19/1988DE3705663A1 Reversible ratchet screwdriver with clamps
05/18/1988EP0267891A2 Elastomeric sleeve for wrench socket and method of manufacture thereof
05/17/1988US4744271 Ratcheting box wrench
05/11/1988DE3636513A1 Gripper device for carrying out screwing operations
05/10/1988EP0165237A4 Improved ratchet wrench.
05/05/1988DE3704202C1 Offset screwing tool supplied with auxiliary power
05/05/1988DE3642198A1 Wrench for compressed-gas cylinders (gas bottles)
05/05/1988DE3637416A1 Wrench for screwed closures
05/03/1988US4741229 Stud installer
05/03/1988US4741060 Articulated wrench
04/1988
04/27/1988CN87209244U Multifunctional wrench
04/27/1988CN87202120U Two-ways wrench
04/26/1988US4739838 Hand-squeeze powered motorless driver
04/21/1988DE3635008A1 Method for marking hand tools
04/19/1988US4738169 Toilet tank assembly wrench
04/19/1988US4738168 Wrench
04/19/1988CA1235315A1 Ratchet wrench
04/13/1988CN87210937U Adjustable spanner for tapping
04/12/1988US4736657 Adjusting tool
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