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)
11/1989
11/28/1989US4882957 Socket wrench opening
11/23/1989EP0343039A1 Wrenches for removing threaded filters or the like
11/22/1989CN2048007U Self-opening and self-closing ajustable wrench
11/21/1989USRE33114 Tamper-proof threaded fastenings
11/21/1989US4881316 Process for setting a threaded torque-limited collar and pin joint
11/16/1989DE3815106A1 Ratchet-like screwing tool
11/15/1989CN2047616U Multi-purpose adjustable spanner (wrench) with two wrench heads
11/14/1989US4880245 Chuck for concrete slab dowels
11/08/1989CN2047206U Slide type wrench
11/08/1989CN2047205U Versatile wrench
11/07/1989US4878794 Collated screw fasteners
11/07/1989US4878306 Shotgun choke insertion and removal tool
10/1989
10/31/1989US4876929 Portable screw driver having flexible extension shaft
10/25/1989EP0338539A2 Reversible wrench
10/25/1989CN2046423U External adjustable wrench
10/25/1989CN2046422U Adjustable wrench
10/19/1989WO1989009886A1 Tamper-resistant rotary fasteners and tools for use with them
10/18/1989CN2046059U Spanner socket
10/18/1989CN2046057U Multifunctional self-lock pipe spanner
10/17/1989US4873899 Adjustable ratchet wrench for keyed shafts
10/17/1989US4873898 Ratchetless reversible wrench
10/17/1989US4873742 Safety tie down bar hand grip system
10/11/1989EP0336482A2 Rivet and related tool to fix this rivet during a mechanical assembly
10/11/1989CN2045683U Drum-type multipurpose double offset ring spanner
10/11/1989CN2045682U Adjustable spanner for inner circular bead screw
10/11/1989CN1036161A Universal tools with impact and adjustable function for plumbers
10/11/1989CN1036160A Novel fixed wrench
10/10/1989US4872654 Work-holding implement and bench-mounted loading fixture therefor
10/05/1989WO1989009116A1 Self-locking tongs and a method of producing self-locking tongs intended for round and hexagonal material
10/05/1989WO1989009115A1 Tongs
10/04/1989CN2045349U Fast adjustable spanner
10/04/1989CN2045348U Reversible opening wrench
10/03/1989US4870750 Device for machine-fastening roofing materials to roofs
09/1989
09/28/1989DE3808534A1 Configuration of a screwing element, in particular of the head of a screw, and of the appertaining actuating tool
09/26/1989US4869633 Locking lug nut for wheels and tires
09/26/1989US4869138 New and improved ratchet tool with rotatable rotor lock and rigid shifter finger
09/26/1989US4869137 Jaws for power tongs and bucking units
09/26/1989US4869136 Fastener gripping mechanism for bolt running operations
09/26/1989CA1261655A1 Universal wrench
09/21/1989WO1989008790A1 Cap screw with socket head intended for an internal drive
09/21/1989DE3807741A1 Kopfschraube mit einer fuer einen innenantrieb vorgesehenen senkung Head screw with a drive for an internal envisaged reduction
09/21/1989DE3807439A1 Device which can be used as a wrench for breaking open a screw nut
09/20/1989CN2044534U Multipurpose spanner for electric engineering
09/20/1989CN2044531U 多功能扳手 Multifunctional Wrench
09/19/1989US4867016 Tool extension and torque transfer device
09/12/1989US4864901 Adjustable wrench socket
09/06/1989EP0331534A1 Insulated ratchet wrench
09/06/1989CN2043908U Multi-purpose pliers
09/05/1989US4862776 Drain plug removing device
09/05/1989US4862775 Control device for ratchet wrenches
09/05/1989US4862773 Collet type fastener removal tool
09/05/1989US4862544 Knife blade spanner wrench
09/05/1989CA1258984A1 Screw driver tip
08/1989
08/30/1989CN2043545U Self-clinching pipe wrench for small wall crack
08/29/1989US4860618 Hand held wrench for helical spring type wire connectors
08/29/1989US4860617 Oil filter tool
08/29/1989US4860606 Ratchet apparatus with hand truck assembly
08/23/1989EP0328799A2 Variable torque driver tool
08/23/1989CN2043161U Once-inserting high-efficient solid wrench
08/23/1989CN2043160U 扳手 Wrench
08/22/1989US4858299 Process for making a joint with a torque-limited collar
08/16/1989CN2042779U Easy close monkey wrench
08/15/1989US4856387 Hermaphrodite wrench
08/15/1989US4856386 Socket assembly for multiple size wrenching surfaces
08/15/1989US4856385 Squeeze motion to rotary motion tilt head driver
08/09/1989CN2042402U Lock-self pipe twist with sliding bar
08/09/1989CN2042401U Multi-purpose adjustable wrench
08/08/1989US4854198 Hand wrenching tool
08/08/1989US4854197 Torque wrenches
08/03/1989DE3811776A1 Hydraulic power screwing device
08/02/1989EP0325845A1 Nozzle assembly for rotary drill bit and method of installation
08/02/1989CN2041999U Long-handle fast ratchet spanner
08/02/1989CN2041998U Adjustable bicycle spanner
08/02/1989CN2041997U Dual-purpose adjustable spanner
08/02/1989CN2041996U Multifunctional spanner
07/1989
07/26/1989CN2041609U Fast opening and closing spanner
07/26/1989CN2041608U Multi-functional clyburn spanner
07/18/1989US4848195 Spanner-wrench
07/18/1989US4848194 Valve wrench
07/18/1989US4848193 Open-end ratchet watch
07/18/1989US4848192 Multi-purpose strap-type wrench
07/18/1989CA1257487A1 Box end wrench
07/12/1989EP0323814A2 Key for adjusting and pushing together clamps
07/12/1989CN2040856U Indication type boosting spanner
07/12/1989CN2040837U Ratchet type ring spanner
07/06/1989EP0290563A4 Reversible unidirectional transmission.
07/05/1989EP0322875A2 Clamping element and device for anchoring clamping elements
07/05/1989CN2040428U 万向管子扳手 Universal pipe wrench
07/05/1989CN2040427U Adjustable wrench
07/04/1989US4843926 Adjustable wrenches
07/04/1989US4843924 Compact high-torque apparatus and method for rotating pipe
07/04/1989US4843702 Apparatus for uncoupling the threaded connection of a pump impeller
06/1989
06/28/1989CN2040024U Dual-purpose pipe tongs
06/28/1989CN2040023U Fast-adjusting pipe tongs
06/28/1989CN2040022U Pull-push adjustable pipe tongs
06/27/1989US4841832 Boltrunner
06/21/1989EP0320791A2 Finger wrench
06/21/1989CN2039612U Solid arrench with click pulley function
06/20/1989US4840094 Multiple socket and multiple socket wrench
06/20/1989CA1255932A1 Adjustable socket including rotatable adjuster
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