| All Patents in class 81/394 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 63,689 | Apr. 09, 1867 | R. Bain | Improvement in Pipe Wrenches | pipe tongs |
| 65,162 | May 28, 1867 | J.R. Brown | Improvement in Pipe-Tongs | pipe tongs |
| 133,092 | Nov. 19, 1872 | A. Gomersall | Improvement in Pipe-Tongs | pipe tongs |
| 172,649 | Jan. 25, 1876 | A.A. Pease | Improvement in Pipe-Tongs | pliers |
| 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench | pipe wrenches |
| 199,539 | Jan. 22, 1878 | G.A. Harbaugh | Pipe-Tongs | pipe tongs |
| 252,248 | Jan. 10, 1882 | A.A. Pease | Adjustable Tool | pliers |
| 377,827 | Feb. 14, 1888 | H.W. Hackley | Wrench | axle nut wrenches |
| 522,471 | Jul. 03, 1894 | J. Kohler | Combination Tool For Pipe Fitting | pipe tongs |
| 582,755 | May 18, 1897 | W.B. Marble | Tongs | blacksmith |
| 638,378 | Dec. 05, 1899 | W.S. Casterlin | Tongs | blacksmith |
| 648,324 | Apr. 24, 1900 | A.K. Wolfe | Wrench | nut wrenches |
| 750,994 | Feb. 02, 1904 | M. McKinley | Wrench | combination tools |
| 826,728 | Jul. 24, 1906 | J.G. Lind | Pipe-Wrench | self-adjust wrenches |
| 1,002,615 | Sep. 05, 1911 | G.B. Weatherly | Wrench | quick adjust wrenches |
