| All Patents in class 81/356 |
Patents 1 -
15
of 80
      |
| Number | Date | Patentee | Title | Type |
| 14,243 | Feb. 12, 1856 | F. Keehnold | Improvement in the Construction and Manufacturing of Adjustable Wrenches for Machinery and Carriages and other Purposes | pliers type wrenches |
| 52,065 | Jan. 16, 1866 | J. Moulton | Wrench | pipe and nut combination wrenches |
| 54,178 | Apr. 24, 1866 | W.H. Landbeck | Landbeck's Universal Wrench | wrench handle components |
| 64,676 | May 14, 1867 | W.H. Landbeck | Improvement in Wrenches | quick adjust wrenches |
| 95,706 | Oct. 12, 1869 | V.K. McElheny | Improvement in Combined Pipe-Tongs and Wrench | pipe tongs |
| 125,221 | Apr. 02, 1872 | J.E. Roache | Improvement in Pipe Tongs | pipe tongs |
| 134,440 | Dec. 31, 1872 | J.E. Roache | Pipe-Tongs and Cutters | pipe tongs |
| 162,317 | Apr. 20, 1875 | H.R. Sloat | Improved Monkey-Wrench | wrench handle components |
| 222,484 | Dec. 09, 1879 | D.P. Foster | Improvement in Pipe-Wrenches | pipe wrenches |
| 222,787 | Dec. 23, 1879 | S.E. Hurlbut | Adjustable Wrench | screw adjust wrenches |
| 230,595 | Jul. 27, 1880 | G.H. Warren | Wrench | quick adjust wrenches |
| 259,895 | Jun. 20, 1882 | C.H. Miller | Pipe Tongs | pipe tongs |
| 266,310 | Oct. 24, 1882 | D.R. Porter | Combined Wrench, Vise and Nail Puller | combination tools |
| 274,544 | Mar. 27, 1883 | F. Armstrong | Wrench | pipe wrenches |
| 274,545 | Mar. 27, 1883 | J.H. Hine, F. Armstrong | Wrench | quick adjust wrenches |
