Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7458297 | Electronic torque wrench having a trip unit An electronic torque wrench includes a tubular housing having a surrounding wall confining a receiving space, a working unit having a shank portion extending axially into the receiving space and pivoted to the surrounding wall at a pivot point, a strain sensor provi... | 12/02/2008 |
| 7451674 | Adjustable click-type torque wrench A torque wrench is disclosed that includes a drive head that defines a torque transfer axis and that is adapted to transfer torque to a workpiece. The torque wrench includes a tubular handle that is operative, upon rotation relative to a lever, to increase the bias ... | 11/18/2008 |
| 7331246 | Mechanical torque wrench with an electronic sensor and display device A mechanical torque wrench including a wrench body defining an elongated interior compartment and a wrench head including a bar extending therefrom being pivotally secured to a first end of the wrench body. A hand grip located on a second end of the wrench body and ... | 02/19/2008 |
| 7313990 | Electronic torque wrench An electronic torque wrench includes a head portion, a handle portion connected to the head portion and having a tubular wall that defines a receiving space, a strain sensor unit disposed in the head portion, and an indicator unit disposed in the receiving space and... | 01/01/2008 |
| 7284451 | Dynamometer tool, in particular a torque wrench, and a method of detecting a break in mechanical equilibrium during tightening to torque A means for detecting a break in mechanical equilibrium comprised of a measurement means that delivers a signal corresponding to a measurement of a torque applied to a fastener element, an electronic processing means for electronically processing a signal, and a com... | 10/23/2007 |
| 7275467 | Tracing mechanism of torque adjustable wrenches A torque adjustable wrench includes an adjusting rod extending from an end of the shank of the wrench and a first toothed surface are longitudinally defined in an outer periphery thereof. A longitudinal positioning groove is defined in the adjusting rod to form a bl... | 10/02/2007 |
| 7234378 | Digital torque wrench A digital torque wrench is disclosed having a transducer beam with a reduced thickness web therein. At least one strain gauge sensor is mounted to the internal web to measure the shearing stress within the web as the wrench is rotated. By using such a reduced thickn... | 06/26/2007 |
| 7185571 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 03/06/2007 |
| 7182006 | Torque-controlling wrench A torque-controlling wrench includes a handle, a socket-driving unit installed on the handle and a torque-controlling device. The torque-controlling device includes a rod installed in the handle and connected to the socket-driving unit, a knob installed on the handl... | 02/27/2007 |
| 7182005 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 02/27/2007 |
| 7174817 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 02/13/2007 |
| 7174818 | Click-type torque wrench and improved cam assembly therefor A cam assembly for a click-type torque wrench includes an elongated plunger body having opposed ends and having a deep cavity formed axially in one end and terminating at an end face disposed with intermediate the ends, the end face having a cam seat formed therein ... | 02/13/2007 |
| 7168350 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 01/30/2007 |
| 7168349 | Omnidirectional twisting tool An omnidirectional twisting tool comprises a handle; the handle being a hollow tube body; one end of the handle being opened; a strain gauge installed at a lower portion of the handle; the strain gauge including an integrating element and a connecting unit for conne... | 01/30/2007 |
| 7137323 | Replaceable and rotatable tool with function of measuring twisting forces A replaceable and rotatable tool with a function of measuring twisting forces comprises a tool body; a driving portion formed at one end of the tool body; the driving portion including a pivotal unit and an engaging unit; one end of the pivotal unit being secured to... | 11/21/2006 |
| 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 |
| 7111532 | Torque wrench A torque wrench includes a driving shank received in a handle and having an intermediate portion pivotally attached to the handle with a pivot axle, and having two projections, a follower is slidably received in the handle and biased to engage with the driving shank... | 09/26/2006 |
| 7089834 | Torque wrench with torque range indicator and system and method employing the same A torque wrench is disclosed having torque range indicators. The torque wrench includes a handle, a torquing tool, a mounting bar and a programmable interface module. At least one torque sensor is communicatively coupled to the interface module. The interface module... | 08/15/2006 |
| 7082865 | Digital torque wrench A digital torque wrench is disclosed having a transducer beam with a reduced thickness web therein. At least one strain gauge sensor is mounted to the internal web to measure the shearing stress within the web as the wrench is rotated. By using such a reduced thickn... | 08/01/2006 |
| 7069827 | Torque indication device for hand tools A torque indication device for a hand tool includes a handle with a processing unit connected thereto and a head having a driving member connected thereto is rotatably connected to the handle. The head has an insertion which is inserted into an axial recess of the h... | 07/04/2006 |
| 7069816 | Motor-driven screw driver The invention relates to a motor-driven screw driver comprising a drive motor to which a first torque limiter is assigned and a head (1) which presents the screw-driving tool or a recess for a screw-driving tool. A ratchet mechanism (6) and a torque li... | 07/04/2006 |
| 7047849 | Wrench capable of counting the number of times its torque reaches set values A wrench includes a pipe, a lever, a first wedge, a second wedge, an elastic element, a counter and a sensor. The lever includes a portion put in and pivotally connected with the pipe. The first wedge is attached to the portion of the lever. The second wedge is in c... | 05/23/2006 |
| 7044036 | Preset torque wrench with multiple setting torque selector mechanism A torque wrench has an elongated lever arm with working and distal ends, the lever arm carrying a wrench head at the working end, a selector mechanism at the distal end and a torque-responsive mechanism coupled to the selector mechanism for movement therewith among ... | 05/16/2006 |
| 7000508 | Device for numerically displaying torque of torque wrench having a preset maximum torque Disclosed is a torque wrench comprising a signal generator including a spring biased against a trigger member, a sensor, and a disc biased between the spring and the sensor, a setting assembly including a cylindrical member for receiving the disc and the sensor, a c... | 02/21/2006 |
| 6978705 | Torque wrench A torque wrench including a wrench main body, a central push rod mounted in the main body and having an escape section, an adjustment handle adjustably fitted with one end of the main body and a restricting member locked on the central push rod. When adjusting the p... | 12/27/2005 |
| 6948410 | Torque wrench with sleeve for locking rotatable handle A torque wrench is provided having body and a handle that is rotatably mounted to the body for adjusting the torque setting, and an axially movable sleeve operable to selectively lock the handle. The sleeve includes a rigid member and an elastomeric member, such as ... | 09/27/2005 |
| 6945144 | Torque wrench with finite plurality of selectable torque values A manually operated torque wrench is capable of providing a finite plurality of selectable torque values. The torque wrench has a wrench head, a handle, and a torque-responsive mechanism for producing an indication when a torque value has been applied by the torque ... | 09/20/2005 |
| 6928907 | Dynamometric key The invention concerns a dynamometric key designed in particular for fixing an insert (22) on a handpiece (23). Said dynamometric key is characterized in that it consists of a grip element (3), and a securing element (5), said two element... | 08/16/2005 |
| 6886434 | Wrench with a fixed maximum operational torque A wrench includes a drive member for driving a fastener, a retainer securely engaged with the drive member to move therewith, and a casing having a compartment for accommodating the retainer. The casing includes a retaining section defining a retaining space for ret... | 05/03/2005 |
| 6807885 | Torque limiting wrench for an ultrasonic medical device The present invention provides an apparatus and method for a torque limiting wrench used for applying a torque to a medical device to prevent damage to the medical device by providing a predetermined torque limit to indicate when the predetermined torque is reached.... | 10/26/2004 |
| 6722235 | Torque wrench with a scale A torque wrench has a shank, an arm, a torque-adjusting device, a handle and an adjusting knob. The handle is mounted around one end of the shank and has a mouth. A window is defined in the periphery of the mouth. The adjusting knob is rotatably attached to the shan... | 04/20/2004 |
| 6526853 | Electromechanical releasing torque wrench An electromechanical releasing torque wrench which includes an electronic controller (50) and transducers (32) or (34) to measure and actuate a release of the wrench with physical, audible and visual signals. In operation, the user sets the desired torque... | 03/04/2003 |
| 6463834 | Torque wrench A tang engaging and stability structure has a tang engaging portion and a pair of stabilizing ear members spaced apart from one another in the direction of the pivot axis. The ear members are positioned on opposing sides of a rear end portion of the tang ... | 10/15/2002 |
| 6334377 | Adjustable torque wrench having a lock device An adjustable torque wrench includes a driving head having an arm received in a shank, and a follower and a spring received in the shank and guided to move along the shank. The follower may be moved to adjust the spring force against the arm. A handle is ... | 01/01/2002 |
| 6276243 | Electromechanical releasing torque wrench An electromechanical releasing torque wrench which includes an electronic controller (50) and transducers (32) or (34) to measure and actuate a release of the wrench with physical, audible and visual signals. In operation, the user sets the desired torque... | 08/21/2001 |
| 6162053 | Analog dental wrench There is provided an analog dental torque wrench in which, at a given level of torque imparted to a dental work object, force communicated by a compression spring through an interface impart against a ball bearing will cause rotation of a handle and media... | 12/19/2000 |
| 6119562 | Electromechanical releasing torque wrench An electromechanical releasing torque wrench which includes an electronic controller (50) and transducers (32) or (34) to measure and actuate a release of the wrench with physical, audible and visual signals. In operation, the user sets the desired torque... | 09/19/2000 |
| 6021694 | Surgical torque wrench A surgical torque wrench having jaws for application to a rotating part and a handle removably secured to the jaws. The jaws and handle are secured together about a pivot that is parallel to the axis of rotation of the rotating part. A securing device is ... | 02/08/2000 |
| 5662012 | Torque wrench structure An improved and less costly torque wrench adjusting and calibrating structure for accurate axial biasing and adjustment of an elongate axially extending spring in an elongate axially extending tubular lever arm of an adjustable click-type torque wrench. T... | 09/02/1997 |
| 5503042 | Antifriction force transmission means for plungers of torque signalling wrenches An antifriction force transmission, especially useful in torque wrenches comprises a freely rotatable cylindrical roller, opposed interface reaction surfaces in cooperative relation with the roller, and the roller and the reaction surfaces cooperating for... | 04/02/1996 |
