| All Patents in class 81/399 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 79,724 | Jul. 07, 1868 | J.R. Brown | Improvement in Pipe-Tongs | pipe tongs |
| 133,092 | Nov. 19, 1872 | A. Gomersall | Improvement in Pipe-Tongs | pipe tongs |
| 134,440 | Dec. 31, 1872 | J.E. Roache | Pipe-Tongs and Cutters | pipe tongs |
| 134,798 | Jan. 14, 1873 | W.J. Hallefas | Griping-Tongs | |
| 136,089 | Feb. 18, 1873 | E.S. Moulton | Pipe-Wrenches | pipe tongs |
| 168,291 | Sep. 28, 1875 | G. Selden | Pipe-Tongs | pipe tongs |
| 216,014 | Jun. 03, 1879 | H. Banister | Pipe-Tongs | pipe tongs |
| 244,269 | Jul. 12, 1881 | C.H. Lovrien | Pipe Tongs | pipe tongs |
| 457,064 | Aug. 04, 1891 | E.M. Watson | Pipe Wrench | pipe tongs |
| 485,152 | Oct. 25, 1892 | S. Cook | Wrench | pipe tongs |
| 554,885 | Feb. 18, 1896 | E.B. Lilly | Pipe Wrench | pipe wrenches |
| 580,429 | Apr. 13, 1897 | F.E. Snyder | Wrench | pipe tongs |
| 612,982 | Oct. 25, 1898 | J.W. James, F.V. Whitman | Wrench Tongs | axle nut wrenches |
| 831,264 | Sep. 18, 1906 | B. Charnock | Wrench | axle nut wrenches |
| 1,489,458 | Apr. 08, 1924 | W. Petersen | Wrench | locking pliers |
