Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7117772 | Wrench having a safety device A wrench includes a shank having a drive head, a handle slidably mounted on the shank, and a resistance member mounted between the shank and the handle to provide a resistance to damp movement of the handle. Thus, when a force is applied on the handle to rotate the ... | 10/10/2006 |
| 7073415 | Instrument system for pedicle screws The invention relates to an instrument system for pedicle screws having a thread in their head which has a clamping screw in the direction of their screw axes, which can be actuated by a power screw driver, with holders for the absorbing of a torque contacting the h... | 07/11/2006 |
| 7013768 | Rivet with sliding cap for friction stir riveting A friction stir rivet is rotated and driven through a first fusible workpiece into an engaged second fusible workpiece, causing local portions of the first and second workpieces to plasticize. A slideable cap contacts the exposed surface of the first workpiece short... | 03/21/2006 |
| 6923648 | Dental implant fastener system An endosseous dental implant fastening system is provided with a fastening screw that is configured to prevent complete disengagement of the fastening screw from a screw extraction tool during removal of the screw from threaded engagement with the implant and abutme... | 08/02/2005 |
| 6446531 | Sprinkler riser extraction insertion tool An apparatus is disclosed for removing, re-inserting or inserting for the first time, sprinkler system risers into sprinkler system piping connector which connectors are located underground. The apparatus features an elongated tubular member having a pair... | 09/10/2002 |
| 6349624 | Sprinkler tool The tool of the present invention comprises two handle/body members each pivotally coupled to a respective end of a generally straight, rigid stem. Each handle/body member is adapted to function as a handle when positioned transversely, preferably at 90 d... | 02/26/2002 |
| 6347450 | Tool for mounting coaxial cable connectors on coaxial cables The tool is for facilitating installation of a conventional cable connector to the end section of a conventional coaxial cable. The tool has a permanently T-shaped handle defining a handle grasping segment and a handle spacing segment integrally attached ... | 02/19/2002 |
| 6314845 | Clamp for screwed fastening member Clamp for screwed fastening member, including: a main body formed with an internal axial passage; a rod body connected with the main body; two clamping members each having a bottom clamping end, the clamping members being pivotally disposed on the main bo... | 11/13/2001 |
| 6164164 | Threaded stud setting tool A fastening system includes a tool for fastening a threaded stud having external first threads. The tool includes a longitudinally extending casing having a cavity with an open first end and an aperture mount connected to the casing at a second end of the... | 12/26/2000 |
| 6000114 | Insertion tool An insertion tool 48 is used to insert a threaded coil insert 26 into a threaded opening 22 of a support structure 20. The tool 48 includes a rotatable mandrel 50 having a first slot 62 for receiving a blade 76, the forward end of which is formed with a d... | 12/14/1999 |
| 5852954 | Bicycle crank arm parts/assembly and assembly tools A tool for fixing a chainwheel to a crank arm assembly of the type wherein a crank axle mounting section of a crank arm mounts to an end of a crank axle. The crank axle mounting section includes a threaded outer surface, and a nut is provided for fixing t... | 12/29/1998 |
| 5513545 | Head bolt stud and extractor tool A tool, comprising a head bolt stud and extractor, useful in the alignment of a cylinder head to an engine block when re-attaching the cylinder head to the engine block following replacement of the cylinder head seals.... | 05/07/1996 |
| 5456145 | Installation tool for tangless helically coiled insert An insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal pawl inse... | 10/10/1995 |
| 5400680 | Golf shoe spike wrench A golf shoe spike wrench for removing spike bodies encapsulated with thermoplastic resin from the sole of golf shoes having a wrench head containing two spaced screws adapted to engage two apertures in the thermoplastic encapsulated spike body. The screws... | 03/28/1995 |
| 5320005 | Bicycle pedal crank dismantling device A bicycle pedal crank dismantling device includes a locating member which comprises an inner thread through the length, an outer thread on one end for threading into the axle mounting hole of the crank to be dismantled, and a hexagon head on an opposite e... | 06/14/1994 |
| 5123812 | Apparatus for aligning a blade ring in a steam turbine A detachable apparatus is provided which facilitates rotation and handling of an alignment dowel during its installation into a steam turbine cylinder. The apparatus consists of a body having a threaded portion and a handle. The threaded portion allows th... | 06/23/1992 |
| 5099726 | Hand tool for mounting/dismounting bicycle cranks In a hand tool for mounting and dismounting bicycle cranks of the type comprising a handle having a hexagonal hole alternatively mounted on a hexagonal collar at the middle of a bolt, which has a hexagon socket at one end and an outer thread portion at an... | 03/31/1992 |
| 4982625 | Adaptor and driver for an adhesive capsule anchor An adaptor and driver unit for rotatably inserting threaded anchors into a seating position in drilled holes in rock, masonry, concrete and the like, comprising a driver with a threaded hole on the lower end into which the upper end of a threaded anchor i... | 01/08/1991 |
| 4960017 | Hand tool for mounting or dismounting bicycle cranks This invention is related to a hand tool specifically designed for operation to mount or remove a bicycle crank to or from the bolted bottom bracket bearing axle of a bicycle frame, which includes a tool handle having a front wedge to serve as a driver, a... | 10/02/1990 |
| 4597137 | Hinge pin and hinge pin tool A hinge pin construction for connecting the free ends of a conveyor belt. The hinge pin includes a plurality of bushings arranged end to end and having aligned bores through each. A cable extends through the bores and is connected at opposite ends to a te... | 07/01/1986 |
| 4487096 | Screw type blind rivet driver adapter An apparatus for setting screw type blind rivets including a power drill having a laterally offset drilling head, and an adapter therefor interchangeable with the normal drill bit, which adapter has a laterally elongated slot adapted for receiving the fla... | 12/11/1984 |
| 4466314 | Nonslip fastener torquing system A fastener with a special head having a threaded recess and torque receiving recesses is matched to a tool which threadably engages the head and utilizes the threaded engagement to provide a solid base for torque applicators, such as drive pins, drive bla... | 08/21/1984 |
| 4429600 | Tamper-proof screw assembly A tamper-proof screw assembly is made up of three basic parts, two of which are coupled together. First, there is provided a screw having a flat head with a center tapped opening and an annular array of teeth formed in its surface surrounding the tapped o... | 02/07/1984 |
| 4350064 | Auxiliary tool kit for a socket wrench set An auxiliary tool kit for a socket wrench set is provided comprising an easy-out, an easily grippable extension with a rigid hand grip thereon, and an adapter extension for mating with an electric drill or alternatively, the kit is adapted for mating with... | 09/21/1982 |
| 4325276 | Nipple engaging tool A tool for engaging nipples to be applied to or removed from threaded pipe has a plurality of circumferentially spaced longitudinally extending gripping edges formed on elongated members which are arranged in a tapered configuration relative to the longit... | 04/20/1982 |
| 4016783 | Valve wrench An improved wrench designed particularly for screwing a polished angle valve or other plumbing fitting without leaving unsightly teeth marks on it; the wrench including a hollow housing at one end of a crank handle, the housing being placed around the val... | 04/12/1977 |
