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| US6752050 | 7 Ene 2002 | 22 Jun 2004 | | Wrench with a fixed maximum operational torque |
| US6752051 | 7 Ene 2002 | 22 Jun 2004 | | Wrench with a fixed maximum operational torque |
| US6766718 | 7 Ene 2002 | 27 Jul 2004 | | Wrench with a fixed maximum operational torque |
| US6886434 | 22 May 2003 | 3 May 2005 | | Wrench with a fixed maximum operational torque |
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| US7281457 | 11 Ene 2006 | 16 Oct 2007 | | Wrench with adjustable maximum operational torque |
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| US7913594 | 30 Sep 2008 | 29 Mar 2011 | Gauthier Biomedical, Inc. | Ratcheting torque wrench |
| US7942253 | 23 May 2006 | 17 May 2011 | K2M, Inc. | Thumb-actuated handle device |
