| All Patents in class 81/182 |
Patents 16 -
30
of 58
      |
| Number | Date | Patentee | Title | Type |
| 350,199 | Oct. 05, 1886 | H. Hubler | Improvement in Pipe-Tongs and Cutters | pipe tongs |
| 364,090 | May 31, 1887 | W.E. Clayton | Pipe Wrench and Cutter | combination tools |
| 372,080 | Oct. 25, 1887 | W.H. Mitchell | Combination Tool | pipe and nut combination wrenches |
| 396,753 | Jan. 29, 1889 | F.C. Knowles, R.B. Magee | Pipe Tongs | pipe tongs |
| 399,297 | Mar. 12, 1889 | G.H. Tucker | Combined Tool | combination tools |
| 460,008 | Sep. 22, 1891 | H. James, R.S. Gillespie | Pipe Wrench | pipe wrenches |
| 468,601 | Feb. 09, 1892 | G.W. Gorsuch | Pipe Wrench and Cutter | pipe wrenches |
| 481,168 | Aug. 23, 1892 | J. Ellis | Combined Vise, Pipe Tongs, and Cutter | pipe wrenches |
| 495,793 | Apr. 18, 1893 | T. Fletcher | Wrench and Cutter | wrench combination tools |
| 506,070 | Oct. 03, 1893 | G. Plante | Combined Wrench and Cutter | pipe wrenches |
| 508,077 | Nov. 07, 1893 | T.H. Anderson | Combined Pipe Wrench and Cutter | quick adjust wrenches |
| 511,107 | Dec. 19, 1893 | C. Becker | Combination Tools | pipe wrenches |
| 514,000 | Feb. 06, 1894 | J. Green | Combined Wrench and Cutter | pipe wrenches |
| 514,166 | Feb. 06, 1894 | N.E. Smith | Combined Pipe Wrench and Cutter | wrench combination tools |
| 515,498 | Feb. 27, 1894 | H. Mork | Universal Tool | combination tools |
