| All Patents in class 81/178 |
Patents 16 -
30
of 63
      |
| Number | Date | Patentee | Title | Type |
| 213,376 | Mar. 18, 1879 | C.H. Lovrien, H. Banister | Pipe-Tong | pipe tongs |
| 216,014 | Jun. 03, 1879 | H. Banister | Pipe-Tongs | pipe tongs |
| 232,937 | Oct. 05, 1880 | G.A. Chapman | Pipe Cutter and Wrench | combination tools |
| 234,304 | Nov. 09, 1880 | C.H. Lovrien | Pipe Tongs | pipe tongs |
| 240,067 | Apr. 12, 1881 | D. Worden | Pipe Tongs | pipe tongs |
| 250,029 | Nov. 22, 1881 | D. Worden | Pipe Tongs | pipe tongs |
| 265,188 | Sep. 26, 1882 | H. Tregallas | Wrench | pipe and nut combination wrenches |
| 265,236 | Oct. 03, 1882 | T.W. Boyle | Wrench | pipe and nut combination wrenches |
| 286,600 | Oct. 16, 1883 | D.P. Foster | Pipe Tongs | pipe tongs |
| 326,978 | Sep. 29, 1885 | W. Harris | Improvement in Pipe-Tongs | pipe tongs |
| 340,393 | Apr. 20, 1886 | M.S. Weller | Wrench | wrench jaw components |
| 382,975 | May 15, 1888 | B.R. Hagar | Wrench | pipe wrenches |
| 440,214 | Nov. 11, 1890 | D.B. Whitehill | Rod and Pipe Tongs | pipe tongs |
| 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | pipe and nut combination wrenches |
| 450,516 | Apr. 14, 1891 | W.O. Lee | Wrench | pipe and nut combination wrenches |
