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)
07/1991
07/31/1991CN2081781U Universal-purpose clyburn spanner
07/31/1991CN2081780U High-efficiency clyburn spanner
07/30/1991US5035162 Inner tie rod tool
07/26/1991CA2008716A1 Automatically controlled socket wrench
07/25/1991WO1991010539A1 Nut runner tooling
07/24/1991CN2081333U Adjustable spanner
07/17/1991EP0437007A1 Improved wrench
07/17/1991CN2080894U Back tongs for hydraulic oil pipe tongs
07/17/1991CN2080893U Multifunctional monkey-spanner
07/17/1991CN2080892U High-efficient semiautomatic monkey-spanner
07/16/1991US5032246 Sputtering target wrench and sputtering target design
07/16/1991US5031488 Color coding system
07/16/1991US5031487 Broken bolt extractor
07/10/1991CN2080443U Flexible adjustable wrench for machine oil cleaner
07/10/1991CN2080442U Multipurpose wrench
07/10/1991CN2080441U Quick-locked monkey-spanner
07/03/1991CN2080015U Self-fastening convenient pipe tongs
07/02/1991US5027678 Cam actuator means with connector assembly
06/1991
06/27/1991WO1991008866A1 Power tongs with improved gripping means
06/26/1991CN2079556U Dual-purpose wrench as bolt die and screw tap
06/23/1991WO1991009708A1 Improved composite wrench
06/19/1991CN2079106U Multi-purpose pliers
06/19/1991CN2079105U Convenient multi-purpose monkey wrench
06/13/1991DE3940320C1 Socket spanner head with hexagonal nut cavity - which has circular base with dia. corresp. to max nut dia. and slidable pin(s)
06/12/1991EP0431278A2 Ratchet key
06/12/1991CN2078819U Triangular head bolt and trianglar socket wrench
06/12/1991CN2078675U Multi-functional folding spanner set
06/12/1991CN2078674U Quick-pressing multi-function pipe wrench
06/12/1991CN2078673U High-speed open and close wrench
06/11/1991US5022560 Spigot and wrench combination for a beverage dispenser
06/11/1991US5022290 Adjustable locking wrench
06/11/1991US5022289 Ratchet tool with flattened pocket
06/05/1991CN2078212U Multifunctional spanner for nursing use
06/05/1991CA2029365A1 Anti-theft device for automotive audio equipment
06/04/1991US5020398 Hollow ended four-way socket wrench
06/04/1991US5020397 Wrench
05/1991
05/29/1991CN2077781U Adjustable flexible wrench
05/29/1991CN2077780U Dual purpose tap spanner with bidirectional ratchet
05/29/1991CN2077779U Tap spanner for industry use
05/28/1991US5018412 Open-end ratchet wrench
05/28/1991US5018411 Multiple-head tool
05/28/1991US5018410 Wrench
05/22/1991WO1991007256A1 Wrench
05/22/1991CN2077354U Vertical bolt spanner
05/22/1991CN2077353U Adjustable spanner
05/21/1991US5016504 Air vent opener
05/21/1991US5016503 Adjustable open end wrench
05/16/1991WO1991006399A1 Broken bolt extractor
05/15/1991CN2076903U Fast opened spanner
05/15/1991CN2076902U Multi-functional spanner for bicycle
05/08/1991WO1991006789A1 Motion converting mechanism and revolving tool
05/08/1991EP0425883A2 One-piece, open-end wrenching head with serrated jaws
05/08/1991CN2076465U Universal wrench
05/07/1991US5012706 Socket wrench opening
05/07/1991US5012705 Ratchet wrench with manually removable core
05/07/1991US5012704 Ball driver for a threaded collar
05/02/1991EP0425358A1 Screwplug, especially for soft material, and tool for installing the same
05/01/1991CN1012484B Improved torque spanner
05/01/1991CN1012483B Novel fixed wrench
04/1991
04/30/1991US5011352 Deflection type thread lock for a threaded fastener
04/30/1991US5010792 Socket wrench drill attachment
04/24/1991CN2075573U Quick distance adjusting strong pipe pliers
04/23/1991US5009133 Surface protective fastener tool
04/23/1991US5009132 Torque device
04/18/1991WO1991004834A1 Universal, self-blocking vice key
04/18/1991DE4004849C1 Manual actuator for various functions - has arresting elements for releasable engagement of adaptors for operating functions set by handle
04/17/1991CN2075126U Wrench with scale
04/17/1991CN2075125U High efficient monkey with hexagon tetrahexagon and hexagon
04/16/1991US5007312 Wrench for metal tubing connectors
04/16/1991US5007311 Slidable driving stud for using in socket wrench and its manufacturing process
04/10/1991EP0421107A2 Pliers
04/09/1991US5005451 Angle stop installation tool
04/09/1991US5005448 Speed wrench and hand grip combination
04/09/1991US5005279 Collet insertion and removal device and method
04/03/1991CN2074228U Multi-functional ratchet wrench
04/03/1991CN1050349A Universal mechanical spanner
04/03/1991CA2002564A1 Adjustable ring spanner
04/02/1991US5003848 Mechanical tool for manipulating fittings and caps
04/02/1991US5003681 Installation of brake pads in automobiles
03/1991
03/27/1991CN2073795U Fixed adjustable wrench
03/27/1991CN2073794U Universal high-efficiency adjustable wrench
03/27/1991CN2073793U Adjustable wrench
03/27/1991CN2073792U 多功能工具 Multifunction Tool
03/27/1991CN1050152A 可调棘轮扳手 Adjustable ratchet wrench
03/26/1991US5001947 Dual operation ratchet wrench
03/20/1991CN2073351U Box changing structure of box spanner
03/20/1991CN2073350U Adjustable wrench
03/20/1991CN1049996A Multipurpose sliding-knuckle spanner
03/19/1991US5000067 Lock for trailer hitch
03/19/1991US5000066 Ratchet wrench
03/14/1991DE4000649A1 Spanner for screws and nuts - has rotary motor drive and non-turntable connection to spanner head housing
03/13/1991EP0416296A1 Procedure of making workpieces embossed or forged in a die
03/13/1991CN2072887U Universal spanner
03/13/1991CN2072886U Multifunction self-locking spanner
03/13/1991CN1049816A Adjustable extension wrench for ratchet drive
03/12/1991CA1281216C Expansion anchor assembly
03/06/1991CN2072468U Moving drive rod of box spanner
03/06/1991CN2072467U Alternating type ratchet wheel mechanism for ratchet spanner
03/06/1991CN2072466U Self-locking adjustable spanner
03/06/1991CN2072465U Involute spanner
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