| All Patents in class 81/403 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 48,017 | May 30, 1865 | S.F. Gamage | Pipe Wrench | pipe tongs |
| 145,929 | Dec. 30, 1873 | J.R. Brown | Pipe-Tongs | pipe tongs |
| 159,229 | Jan. 26, 1875 | H.C. Stouffer | Improved Pipe-Tongs | pipe tongs |
| 217,450 | Jul. 15, 1879 | J.D. Davis | Pipe-Tongs | pipe tongs |
| 230,634 | Aug. 03, 1880 | H.P. Huntoon | Pipe Tongs | pipe tongs |
| 424,274 | Mar. 25, 1890 | D.H. Coles, J.L. Coles | Parallel Jaw Tool | pliers |
| 433,786 | Aug. 05, 1890 | G.W. Hooks | Wrench | pipe and nut combination wrenches |
| 449,627 | Mar. 31, 1891 | M.H. McNair | Pipe Wrench | pipe wrenches |
| 454,917 | Jun. 30, 1891 | H. Phillips | Pipe Wrench | pipe tongs |
| 639,812 | Dec. 26, 1899 | T. Jensen | Improvements in Monkey-Wrenches, Tongs or Similar Tools | auxiliary levers on wrenches |
| 1,182,815 | May 09, 1916 | D.B. Swickard | Pliers | pliers |
| 2,313,270 | Mar. 09, 1943 | F.B. Sapp | Wrench | locking pliers |
| 2,391,604 | Dec. 25, 1945 | F.C. Wallace | Clamp | clamps |
| 2,481,435 | Sep. 06, 1949 | C. Meunier | Leverage Wrench | quick adjust wrenches |
| 2,628,521 | Feb. 17, 1953 | A. Berglund, N. Berglund | Plier-Wrench | locking pliers |
