| All Patents in class 81/176.15 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 76,900 | Apr. 21, 1868 | L.B. Fisk | Improved Wrench for Carriage-Wheels | axle nut wrenches that lock nut to wheel hub |
| 541,651 | Jun. 25, 1895 | J.P. Baumgartner | Bung and Bushing | auxiliary wrenches |
| 560,938 | May 26, 1896 | F.L. Sanders | Wrench | screw adjust wrenches |
| 702,011 | Jun. 10, 1902 | J. Kinvall | Device for Removing Broken Taps | tap extractors |
| 1,097,096 | May 19, 1914 | H. Hunteman, H.H. Heuerman | Wrench | screw adjust wrenches |
| 1,313,601 | Aug. 19, 1919 | J.H. Just | Valve Grinder | valve grinding tools |
| 1,759,186 | May 20, 1930 | J.G. Collins | Spanner wrench | |
| 3,675,516 | Jul. 11, 1972 | G.E. Olson, J.W. Price, R.G. Knudsen | Wrench Splines, Spline Drives and Similar Couplers | wrench sockets |
| 5,425,289 | Jun. 20, 1995 | D.J. Iwinski | Bung Tool | |
