| All Patents in class 81/178 |
Patents 1 -
15
of 63
      |
| Number | Date | Patentee | Title | Type |
| 119,265 | Sep. 26, 1871 | A. Cumberworth | Pipe and Nut Wrench | pipe and nut combination wrenches |
| 120,910 | Nov. 14, 1871 | J. Stratton | J. Stratton's Pipe Tongs | pipe tongs |
| 120,947 | Nov. 14, 1871 | A.B. Davis | Improvement in Duplex Wrenches | wrench jaw components |
| 130,278 | Aug. 06, 1872 | W. Campbell | Improvement in Pipe-Tongs | pipe tongs |
| 138,161 | Apr. 22, 1873 | A.H. Jarecki | Pipe-Tongs | pipe tongs |
| 148,089 | Mar. 03, 1874 | J.L. Ripley | Pipe-Wrenches | pipe wrenches |
| 159,234 | Jan. 26, 1875 | J.B. Westwick | Combined Pipe-Tongs and Wrench | pipe tongs |
| 159,420 | Feb. 02, 1875 | F. Kohler | Pipe And Nut Wrench | self-adjust wrenches |
| 179,317 | Jun. 27, 1876 | A.H. Jarecki | Improvement in Pipe-Tongs | pipe tongs |
| 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter | pipe tongs |
| 187,265 | Feb. 13, 1877 | A.E. Gay | Pipe-Tongs | pipe tongs |
| 189,621 | Apr. 17, 1877 | E.R. Girvin | Pipe-Tongs Or Wrenches | pipe wrenches |
| 206,795 | Aug. 06, 1878 | A.H. Jarecki | Pipe-Tongs | pipe tongs |
| 210,698 | Dec. 10, 1878 | W.L. Lay, O.B. Lay | Pipe-Tongs | pipe tongs |
| 212,468 | Feb. 18, 1879 | S.W. Hudson | Pipe-Wrench | pipe wrenches |
