| All Patents in class 73/862.23 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 164,100 | Jun. 08, 1875 | S. Plymale | Dynamic Wrench | torque wrenches |
| 2,074,079 | Mar. 16, 1937 | G.H. Pfefferie, C.C. Bahr | Torque Measuring Wrench | torque wrenches |
| 2,242,613 | May 20, 1941 | S. Mandl | Torque Wrench | torque wrenches |
| 2,269,503 | Jan. 13, 1942 | H.W. Zimmerman | Torque measuring wrench | torque wrenches |
| 2,320,023 | May 25, 1943 | H.W. Zimmerman | Torque measuring wrench | torque wrenches |
| 2,367,224 | Jan. 16, 1945 | G.M. Walraven, K.R. Larson | Torque Wrench | torque wrenches |
| 2,385,591 | Sep. 25, 1945 | P.A. Sturtevant | Force Transmitting Measuring Mechanism | torque wrenches |
| 2,682,796 | Jul. 06, 1954 | K.R. Larson | Predetermined torque release and torque indicating wrench | torque wrenches |
| 3,304,771 | Feb. 21, 1967 | P. Ochs | Torque Wrench | torque wrenches |
| 3,475,953 | Nov. 04, 1969 | K.R. Larson | Pre-Set Adjustable Torque Measuring Devices | torque wrenches |
| 3,920,082 | Nov. 18, 1975 | E.C. Dudek | Power tool with torque sensing control means | |
| 4,074,772 | Feb. 21, 1978 | G.N. Jonsson | Torquing tool control circuit | |
| 4,982,612 | Jan. 08, 1991 | N.C. Rittmann | Torque Wrench with Measurements Independent of Hand-Hold Position | torque wrenches |
| 5,589,644 | Dec. 31, 1996 | D.J. Iwinski, R.J. Niesen, G.A. Putney, M.M. Crass, T.P. Becker | Torque-Angle Wrench | torque wrenches |
| 7,127,955 | Oct. 31, 2006 | M.L. Petroske, J. Bondhus | Torque limiting handle | wrench handle components |
