| All Patents in class 81/154 |
Patents 1 -
15
of 38
      |
| Number | Date | Patentee | Title | Type |
| 10,666 | Mar. 21, 1854 | D.H. Chamberlain | Improvement in Screw or Coach-Wrenches | nut wrenches |
| 17,229 | May 05, 1857 | C. Pinder | Wrench | wedge adjust wrenches |
| 26,468 | Dec. 20, 1859 | A.J. Bell | Wrench | quick adjust wrenches |
| 30,987 | Dec. 18, 1860 | E. Ripley | Improvements in Wrenches | screw adjust wrenches |
| 35,762 | Jul. 01, 1862 | F. Kearney, W. Kearney | Improvement in Pipe-Tongs or Wrenches | pipe tongs |
| 70,005 | Oct. 22, 1867 | B.S. Lawson | Improvement in Wrenches | wrench jaw components |
| 85,624 | Jan. 05, 1869 | H. Tilden | Wrench | wrench jaw components |
| 184,827 | Nov. 28, 1876 | G.W. Bradley | Wrenches | quick adjust wrenches |
| 215,456 | May 20, 1879 | H.P. Hood | Wrench | screw adjust wrenches |
| 225,135 | Mar. 02, 1880 | H.P. Hood | Wrench | screw adjust wrenches |
| 237,594 | Feb. 08, 1881 | H.F. Praeger, C.L. Praeger | Wrench | self-adjust wrenches |
| 250,367 | Dec. 06, 1881 | I. Kinney | Wrench & Pipe Cutter | pipe and nut combination wrenches |
| 254,507 | Mar. 07, 1882 | G.P. Schneider | Wrench | quick adjust wrenches |
| 344,301 | Jun. 22, 1886 | A.J. Barnes | Improved Sliding-Jaw Wrench | wedge adjust wrenches |
| 387,873 | Aug. 14, 1888 | H.G. Glazebrook | Improvement in Sliding-Jaw Wrenches | quick adjust wrenches |
