| All Patents in class 30/102 |
Patents 31 -
45
of 64
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 521,265 | Jun. 12, 1894 | R. Haberthur | Combined Wrench and Pipe and Thread Cutter | |
| 543,953 | Aug. 06, 1895 | A.W. Whitney, F.A. Whitney | Pipe Wrench and Cutter | wrench jaw components |
| 546,139 | Sep. 10, 1895 | J. Ford | Wrench | pipe wrenches |
| 569,533 | Oct. 13, 1896 | H.C. Atkinson | Combined Pipe Wrench and Cutter | |
| 570,934 | Nov. 10, 1896 | C. Weinstein, D. Kritcher | Combination Tool for Pipe Fitters | combination tools |
| 575,381 | Jan. 19, 1897 | N.E. Smith | Compound Metal Working Tool | wrench combination tools |
