| All Patents in class 81/413 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 49,424 | Aug. 15, 1865 | A.B. Lipsey | Improvement in Gas-Fitter's Tongs | pipe tongs |
| 50,603 | Oct. 24, 1865 | C.W. Le Count | Blacksmith's Tongs | blacksmith |
| 52,065 | Jan. 16, 1866 | J. Moulton | Wrench | pipe and nut combination wrenches |
| 54,178 | Apr. 24, 1866 | W.H. Landbeck | Landbeck's Universal Wrench | wrench handle components |
| 59,582 | Nov. 13, 1866 | M.H. Freeman | Improvement in Pipe-Tongs | pipe tongs |
| 86,285 | Jan. 26, 1869 | C.F. Dean | Improvement in barrel hoop loosener and nail extractor | nail extractors |
| 274,545 | Mar. 27, 1883 | F. Armstrong, J.H. Hine | Wrench | quick adjust wrenches |
| 416,500 | Dec. 03, 1889 | R.J. Robbins | Pipe Wrench | pipe wrenches |
| 474,987 | May 17, 1892 | W. Church | Wrench | quick adjust wrenches |
| 521,130 | Jun. 05, 1894 | C.V. De Water | Pipe or Nut Wrench | pipe wrenches |
| 561,340 | Jun. 02, 1896 | G.F. Rice | Pipe Wrench | pipe wrenches |
| 562,101 | Jun. 16, 1896 | G.D. Stevens | Pipe Wrench | pipe wrenches |
| 576,602 | Feb. 02, 1897 | J.A. McCawley | Wrench | quick adjust wrenches |
| 588,365 | Aug. 17, 1897 | R. Stocker | Adjustable Spanner | quick adjust wrenches |
| 588,991 | Aug. 31, 1897 | D.A. Henderson | Pipe Wrench | pipe tongs |
