| All Patents in class 464/36 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,141,461 | Jun. 01, 1915 | R.T. Hazelton | Safety Coupling | metalworking machine mechanisms |
| 1,527,757 | Feb. 24, 1925 | J.A. Street | Automatic chuck | handheld power tool accessories |
| 1,608,113 | Nov. 23, 1926 | G.E. Nace, A.G. Lundin | Chuck | |
| 1,976,943 | Oct. 16, 1934 | D.C. Klausmeyer | Torque discriminator | radial drill presses |
| 2,409,545 | Oct. 15, 1946 | A.L. Cornwell | Torque Wrench | torque wrenches |
| 2,857,793 | Oct. 28, 1958 | L. Pèras | Torque-Limiting Tool Holder for Machine Tools | drilling and boring tool holders |
| 3,192,802 | Jul. 06, 1965 | E.W. Schatzman | Torque control mechanism | drill presses |
