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Class Information
Number: 73/862.21
Name: Measuring and testing > Dynamometers > Responsive to torque > During transmission to an external load > For making or breaking threaded connections (e.g., torque measuring wrenches)
Description: Subject matter under subclasses 862.191+ wherein the sensing means is incorporated in or combined with a tool for tightening or loosening threaded fasteners or couplings.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7395723 |
Torque applying and measuring accessory for use with capped containers |
Jul. 8, 2008 |
| 7392712 |
Electronic torsional tool |
Jul. 1, 2008 |
| 7392711 |
Insertable strain gauge spanner |
Jul. 1, 2008 |
| 7389700 |
Variable torque-limiting driver |
Jun. 24, 2008 |
| 7380472 |
Hand tool with torque measuring device |
Jun. 3, 2008 |
| 7370539 |
Electronic torque wrench with a rotatable indexable display device |
May. 13, 2008 |
| 7343824 |
Variable torque-limiting driver |
Mar. 18, 2008 |
| 7331246 |
Mechanical torque wrench with an electronic sensor and display device |
Feb. 19, 2008 |
| 7320254 |
Hand-held torque measuring device |
Jan. 22, 2008 |
| 7313974 |
Support for electrical/electronic structure and/or electrical power supply structure for a hand dynamometer tool, in particular for a torque wrench operating by breaking mechanical equilibrium |
Jan. 1, 2008 |
| 7287439 |
Apparatus for measuring torque of a torque tool by using an indirect structure |
Oct. 30, 2007 |
| 7284451 |
Dynamometer tool, in particular a torque wrench, and a method of detecting a break in mechanical equilibrium during tightening to torque |
Oct. 23, 2007 |
| 7263902 |
Replaceable electronic spanner |
Sep. 4, 2007 |
| 7252013 |
Brazed joint torque test apparatus and methods |
Aug. 7, 2007 |
| 7249526 |
Torque detection device for power tools |
Jul. 31, 2007 |
| 7222544 |
Electronic torque-tool tester |
May. 29, 2007 |
| 7155986 |
Power fastening tool |
Jan. 2, 2007 |
| 7107883 |
Screw-driving tool for implant screws |
Sep. 19, 2006 |
| 7104144 |
Handle tool with high sensitive electronic strain measurement |
Sep. 12, 2006 |
| 7062978 |
Hand tool with strain gauges |
Jun. 20, 2006 |
| 7013737 |
Removable twisting measuring device for various hand tools |
Mar. 21, 2006 |
| 7000486 |
Method for controlling an intermittently operating screw tool |
Feb. 21, 2006 |
| 6954048 |
Apparatus for monitoring electric motor screw driver system |
Oct. 11, 2005 |
| 6948410 |
Torque wrench with sleeve for locking rotatable handle |
Sep. 27, 2005 |
| 6948380 |
Torque-indicating wrench |
Sep. 27, 2005 |
| 6940417 |
Wrench with tension meters |
Sep. 6, 2005 |
| 6928885 |
Torque-indicating wrench |
Aug. 16, 2005 |
| 6910390 |
Hand held torque meter |
Jun. 28, 2005 |
| 6868742 |
Method and device for determining the torque applied to the fastener as a function of the retardation and the inertia moment |
Mar. 22, 2005 |
| 6843141 |
Hand-held power tool with a torque cut-off device |
Jan. 18, 2005 |
| 6799480 |
Screwdriver with torque measuring scale and method of making same |
Oct. 5, 2004 |
| 6796190 |
Electronic torque wrench with flexible head |
Sep. 28, 2004 |
| 6792816 |
Bit adapter for torque detector |
Sep. 21, 2004 |
| 6784799 |
Tension meter and wrench arrangement |
Aug. 31, 2004 |
| 6766700 |
Wrench having torque indicator |
Jul. 27, 2004 |
| 6742403 |
Braze strength testing tool for braze-on saw tips |
Jun. 1, 2004 |
| 6698298 |
Torque wrench for further tightening inspection |
Mar. 2, 2004 |
| 6629055 |
Apparatus and method for sensing torque angle |
Sep. 30, 2003 |
| 6609407 |
Test apparatus for a wrench used to test previously tightened fasteners |
Aug. 26, 2003 |
| 6575042 |
Beam-type torsion applying and measuring tool |
Jun. 10, 2003 |
| 6571646 |
Metered torque adjustment wrench |
Jun. 3, 2003 |
| 6568283 |
Tong wrench with tactile torque indication |
May. 27, 2003 |
| 6546815 |
Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool |
Apr. 15, 2003 |
| 6539603 |
Method for self-programming a power nutrunner control system during initial tightening processes |
Apr. 1, 2003 |
| 6532648 |
Apparatus for fixedly connecting threaded tubes, and recording medium storing control program |
Mar. 18, 2003 |
| 6499358 |
Apparatus for applying a controlled amount of torque |
Dec. 31, 2002 |
| 6463811 |
Bending beam torque wrench |
Oct. 15, 2002 |
| 6385837 |
Method and apparatus for fixedly connecting threaded tubes, and recording medium storing control program for practicing or controlling those method and apparatus |
May. 14, 2002 |
| 6234051 |
Tightening tool with interchangeable inserts |
May. 22, 2001 |
| 6196071 |
Torque indicator socket |
Mar. 6, 2001 |
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