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Class Information
Number: 73/761
Name: Measuring and testing > Specimen stress or strain, or testing by stress or strain application > Threaded fastener stress
Description: Subject matter wherein the specimen is a fastener for holding together two solid elements or has a complementary fitting engaged by the threads (e.g., nut and bolt).










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8695432 Screw with stress sensing device Apr. 15, 2014
8683869 Monitoring fastener preload Apr. 1, 2014
8671761 Method of assessing bolted joint integrity Mar. 18, 2014
8646162 Method of monitoring fastening loading Feb. 11, 2014
8643248 Electrical machine with a restraint system for a rotor winding head Feb. 4, 2014
8606542 Method and system for monitoring and documenting installation of rock reinforcement bolt Dec. 10, 2013
8596134 Bolt tension monitoring system Dec. 3, 2013
8584957 Intelligent fastener Nov. 19, 2013
8578793 Test method and tool for testing fastened fasteners Nov. 12, 2013
8555755 Fastening apparatus with interchangeable programmable inserts Oct. 15, 2013
8540468 Smart lid for smart bolts and probes Sep. 24, 2013
8534132 Method for measuring tension in an anchored rod at an accessible end Sep. 17, 2013
8499643 In-situ sensors and methods for monitoring environment assisted cracking of structural components Aug. 6, 2013
8490500 Torque coefficient measuring device Jul. 23, 2013
8448520 Bolt tension monitoring system May. 28, 2013
8408066 High force vibration testing with wide frequency range Apr. 2, 2013
8391561 Pre tension monitoring solution Mar. 5, 2013
8337128 Monitoring fastening loading Dec. 25, 2012
8302509 Hydraulic bolt tensioning device and method for tightening large bolts by means of a hydraulic bolt tensioning device Nov. 6, 2012
8244486 Structural health monitoring system having memory on structure Aug. 14, 2012
8177464 Connector component with temperature-resistant sensor element May. 15, 2012
8171611 Method for implementing a component positioning device May. 8, 2012
8156820 Device and method for tightening a nut placed on a threaded end, and assembled washer and nut for such a device Apr. 17, 2012
8136620 Passenger distinguishing apparatus having weight detection sensor and damper Mar. 20, 2012
8127620 Load sensor-containing actuator Mar. 6, 2012
8128873 Gas analyzer cassette system Mar. 6, 2012
8096194 Transducer for measuring preload and torque of a screw and apparatus therewith Jan. 17, 2012
8075233 Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof Dec. 13, 2011
8033000 Method for effecting a screwed connection Oct. 11, 2011
8033181 Probe for fastener identification and ultrasonic load measurement Oct. 11, 2011
8028585 Load indicating member with identifying element Oct. 4, 2011
8024980 Independently calibrated wireless structural load sensor Sep. 27, 2011
8024979 Indicating fastener loading Sep. 27, 2011
7966888 Screw fastener Jun. 28, 2011
7946179 Thread forming fasteners for ultrasonic load measurement and control May. 24, 2011
7941932 Compact ergonomic thread inspection tool May. 17, 2011
7934428 Residual torque analyzer May. 3, 2011
7836794 Bolt fastening method and bolt fastening device Nov. 23, 2010
7836774 Strain detector having a column-shaped strain generator Nov. 23, 2010
7823458 System for dynamically controlling the torque output of a pneumatic tool Nov. 2, 2010
7819017 Dynamometer element Oct. 26, 2010
7814858 Condition indicator for a marine component Oct. 19, 2010
7762142 Integrated fastener-sensor arrangement Jul. 27, 2010
7735374 Equipment comprising at least one rotary member and means for measuring vibrational frequencies of said member to determine its wear condition, corresponding control unit and method Jun. 15, 2010
7730791 Electronic device torsion testing Jun. 8, 2010
7703330 Power tool Apr. 27, 2010
7698949 Active washers for monitoring bolted joints Apr. 20, 2010
7665366 Screw tightening control system and screw tightening control method Feb. 23, 2010
7661196 Compact ergonomic thread inspection tool Feb. 16, 2010
7650791 System and method for automated execution of bolted joints Jan. 26, 2010

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