U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The horse is here to stay, the automobile is only a novelty - fad."

President of Michigan Savings Bank ; 1903

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 81/125.1 - Double-ended


Subclass of Class 81 - Tools
Definition: Wrenches having rigid jaws at each end of the handle or
No. of patents: 145
Last issue date: 10/28/2008


1        
NumberTitleIssue Date
7441481Socket wrench having multiple driving heads
A socket wrench having multiple driving heads includes a triangular star-shape handle which consists of an upper and a lower shell. The triangular portions of the handle have respectively a protrusive driving portion. Two neighboring driving portions are connected b...
10/28/2008
7413693Wire connector fastening tool
A wire connector fastening tool comprises an elongate body having a first end, a second end, an outer hand-engaging surface and an interior surface. The outer hand-engaging surface has a generally uniform outside diameter from its first end to its second end. The in...
08/19/2008
7387052Wrench with outstanding grip
The present invention relates to a wrench of hand tool comprising a grip wherein at least one end of the grip is a driving head, and there is a sunken area on the surface of the grip. The sunken area is filled with many convexities and intensive knurl is implemented...
06/17/2008
7380483Wrench with anti-slipping function
A wrench includes a body having two ends and a handle between the ends of the body. At least one of the ends of the body can be used for driving an object. The handle includes an upper face and a lower face opposite to the upper face. An anti-slipping section is for...
06/03/2008
7340984Multi-functional hand tool
A multi-functional hand tool comprises a hand tool body which has a handle; each of two ends of the handle having a connecting unit for connecting various assembly so that the hand tool has various functions. At least one connecting unit is formed with a recess. At ...
03/11/2008
7340983Spanner with prevention of disengagement of fasteners
A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving s...
03/11/2008
7334505Hanging clamp wrench
A hand tool consisting of an outer grip having an elongate inner housing formed therein engages with wing knobs used to tighten and loosen hanging file clamps. The outer grip is provided with a plurality of planar elongate gripping surfaces to enable a user to apply...
02/26/2008
7334506Anti-wearing socket and inner lining thereof
A socket includes an inner lining detachably formed in an inner hole within the socket, with the inner lining formed therein with a differentially-sized torque recess including at least a large hexagonal hole defining a large diagonal distance (D1) betwee...
02/26/2008
7331261Crosswise wrench
A crosswise wrench includes a prismatic core with a polygonal cross-section, a face plate nut head on one end and a working point on the other end. The wrench also includes three circular grooves and an extended element having face plate nut heads on its ends. The e...
02/19/2008
7316172Handheld tool
A handheld tool includes a first handle with a first driving portion and the second handle with a second driving portion. The second handle, which is located under the first handle, is connected to f the first handle for turning relative to the first handle between ...
01/08/2008
7278338Control device for ratchet wrench
A ratchet wrench includes a head having an engaging portion for mounting an object and a through hole which includes an engaging inner periphery and a smooth inner periphery, and is closed by a bottom plate with a central hole. A movable member is movably received i...
10/09/2007
7272997Floatable hand tool
A floatable hand tool includes a shank having an inner wall formed with an axially extending through hole, and a tool tip mounted on an end of the shank and having an end portion provided with a protruding connecting rod inserted into the through hole of the shank s...
09/25/2007
7272996Spanner socket
A spanner socket for application with conventional hand tools such as ratchet drivers and fixed wrenches employed for imparting torque to a work piece about an axis of rotation includes a generally cylindrical shaped base member which defines a predetermined number ...
09/25/2007
7270033Wrench for adjusting caster and camber on a motor vehicle
A specialty wrench includes a socket with a specially shaped handle attached thereto and arranged symmetrically with respect to its attachment to the socket to enable the socket to be placed on a fastener associated with a caster/camber adjustment cam in a left hand...
09/18/2007
7257904Kingpin inspection gauge and hitch adjustment tool
A tool for inspecting a trailer kingpin and adjusting a fifth wheel hitch includes a plate having at least two mutually substantially perpendicular sides, one side having upper and lower generally rectangular tabs extending therefrom and separated by a space therebe...
08/21/2007
7252022Multiple shop socket tool
A multiple socket tool combines two, three, or four socket sizes. The sockets are nested inside each other so the tool can be applied to different sizes of bolts or nuts for tightening and loosening such nuts and bolts without changing sockets. Compression springs a...
08/07/2007
7246543Multi-function adjustable wrench
A multiple function adjustable wrench comprising: a shank 18 having a first end 16 with a fixed jaw 12, a adjustable jaw 10, and a adjusting screw 14. The adjusting screw 14 moves the adjustable jaw 10 toward and away...
07/24/2007
7243578Skateboard tool
A multifunction tool according to the present disclosure is formed in a generally “Y” shape to provide leverage and control when the tools included in the first arm or the second arm are employed. The main stem includes a ratchet assembly for a male drive elemen...
07/17/2007
7237462Hand tool with a handle made by different material
A hand tool includes a handle made of a first material and at least one driving head connected to an end of the handle and the at least one driving head is made by a second material. A protection layer is coated onto the driving head and the handle. The first materi...
07/03/2007
7231852Faucet nut wrench kit
A kit of four faucet nut wrenches, two of 1⅜ inch internal diameter, two of 1 inch internal diameter, longer wrenches 14–16 inches long, shorter wrenches 4 inches long. Drive sockets are provided for removable insertion into the drive end of each wrench. The sma...
06/19/2007
7228766Detachable cross wrench
A detachable cross wrench includes a primary bar and a secondary bar. The primary bar has a thickening middle portion being formed at the center thereof. A turning handle is mounted on the other end of the primary bar. A lateral through hole is formed in the thicken...
06/12/2007
7204176Wrench with two pivotable sections
A wrench includes a handle with a first driving portion extending from one side of a first end of the handle and a pivotable section has one end thereof pivotably connected to a second end of the handle. A second driving portion extends from one side of the other en...
04/17/2007
7201086Wrench with articulating head
An articulated wrench includes an elongate handle with a generally U-shaped depression at an end of the handle with an edge portion of the handle extending on either side of the depression, and a wrench head formed as a generally planar body with an aperture therein...
04/10/2007
7182003Palm type spanner
A palm type spanner comprises a driving head having a receiving portion for receiving a driving tool; and a handle body being an integral plate-like structure; one end of the handle body being formed with an opening portion; the driving head being pivotally installe...
02/27/2007
7182000Adaptable hand tool
A flexible adaptable hand tool to facilitate access in constricted areas. It includes a working tool element engaging the bolt or other device to be manipulated, and a varying set of extension bar elements adapted to be removably affixed to the working tool element ...
02/27/2007
7171875Adjustable head for a wrench
A wrench includes a handle, a head having a pivotal portion pivotably connected to an end of the handle, and a retaining mechanism. The pivotal portion of the head includes two end portions and an intermediate portion between the end portions. The intermediate porti...
02/06/2007
7168345Palm type spanner
A palm type spanner comprises a driving head having a receiving portion for receiving a driving tool; and a handle body being an integral plate-like structure; one end of the handle body being formed with an opening portion; the driving head being pivotally installe...
01/30/2007
7162938Magnetic wrench attachment
The present invention is an attachment that fits onto the head of a wrench to magnetically hold a nut. The attachment has a magnetized surface and a side surface to friction fit onto a wrench. Fit is further improved by magnetizing the side surface. By holding the n...
01/16/2007
7156000Electrical conduit connector locknut wrench
A wrench for use in connection with a lock nut including outwardly extending protrusions. The wrench includes a base portion and a finger and an engagement tab extending from the base portion. The finger is spaced from the engagement portion with a recess provided b...
01/02/2007
7137319Ratchet wrench
A ratchet wrench rotatably operable in a vertical plane for removal and installation of a fastener includes a body with a shank portion and outwardly extending first and second member forming an offset in such body. A first ratchet mechanism disposed in a first head...
11/21/2006
7127970Tool for tightening and loosening a wing nut or wing screw that secures a motor vehicle wheel
A tool for tightening and loosening a wing nut having several wings that secures a motor vehicle wheel includes has a base element with three detachably attached contact bodies for the individual wings. The bodies serve to transfer the torque needed for tightening a...
10/31/2006
7118091Tool for controlling water supply
A tool for shutting off water supplies is disclosed. A variety of water supply valves can be controlled with a single too. The tool has different fittings on each end, such as wrenches. The wrenches may be of variable width to accommodate a large number of water sup...
10/10/2006
7117767Double open-end claded-head wrench
A double open-end claded-head wrench (10) that is particularly designed to loosen and tighten hexagon bolts and nuts that are made of a relatively soft metal such as aluminum. The wrench (10) is made of aluminum and includes a wrench handle (12)...
10/10/2006
7117770Dual function wrench
A dual function wrench includes two function ends and the two different function ends are overlapped with each other. Each function end includes a clamping space and the two respective clamping spaces are in communicating with each other. The first function end incl...
10/10/2006
7096765Multi-purpose hand tool and interconnected set of tools
A multi-purpose hand tool is disclosed. According to one embodiment, the tool may include a socket body, a key tip and an arm portion. The socket body may include a socket at a first end. The arm portion is connected between the socket body and the key tip. The key ...
08/29/2006
7093519Combination wrench
This invention discloses a three-in-one combination wrench. A preferred embodiment features an easily assembled ratchet wrench in the middle of the wrench body, suitable for operation in confined spaces. The combination wrench terminates at one end in a pair of open...
08/22/2006
7073413Fold-away wrench set
There is disclosed a fold-away wrench having a wrench head (9) pivotally mounted on a handle (2). The wrench head (4) is an open flexible ring socket (3a) locatable over a fastener such as a nut, bolt or screw to move it. Pins (...
07/11/2006
7069820Wire connector fastening tool
A wire connector fastening tool comprises an elongate body having a first end, a second end, an outer hand-engaging surface and an interior surface. The outer hand-engaging surface has a generally uniform outside diameter from its first end to its second end. The in...
07/04/2006
7069822Movable wrench handle assembly
A movable wrench handle assembly for facilitating comfortable grasping of a wrench while minimizing interference of the comfortable handle structure with the opposing end couplers of the wrench includes a wrench having a pair of end portions and a medial portion ext...
07/04/2006
7066057Wrench with jaws having different tilt angles
A wrench includes two jaws extending from a head on an end of a handle. Each jaw has an inclined surface defined in a first side thereof and the two inclined surfaces define tilt angles relative to a horizontal plane, which are different. ...
06/27/2006
1        
 
Sign InRegister
Username  
Password   
forgot password?