| All Patents in class 81/109 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 194,254 | Aug. 14, 1877 | W. Lomas | Pipe-Tongs | pipe wrenches |
| 377,668 | Feb. 07, 1888 | J. Clark | Pipe Wrench | pipe wrenches |
| 464,238 | Dec. 01, 1891 | R. Atkin | Pipe Wrench | pipe wrenches |
| 466,195 | Dec. 29, 1891 | C.F. Spery | Pipe Tongs | self-adjust wrenches |
| 497,797 | May 23, 1893 | R.C. Jones | Pipe Tongs | pipe tongs |
| 516,485 | Mar. 13, 1894 | C. Hall | Pipe Wrench | pipe wrenches |
| 521,312 | Jun. 12, 1894 | C. Hall | Wrench For Pipes, Rods, etc. | pipe wrenches |
| 523,810 | Jul. 31, 1894 | C. Hall | Pipe Wrench | pipe wrenches |
| 533,295 | Jan. 29, 1895 | C. Hall | Pipe Wrench | wrench jaw components |
| 538,601 | Apr. 30, 1895 | G.F. Seymour | Adjustable Pipe Tongs | quick adjust wrenches |
| 586,738 | Jul. 20, 1897 | C. Hall | Screw Wrench | screw adjust wrenches |
| 760,613 | May 24, 1904 | J.C. Crume, J.M. Clark | Combination-tool | combination cork extractors |
| 767,532 | Aug. 16, 1904 | C.H. Thurston | Pipe Wrench | pipe wrenches |
| 1,449,386 | Mar. 27, 1923 | G.E. Hemphill, E.J. Evans | Pipe Wrench | pipe wrenches |
| 1,566,764 | Dec. 22, 1925 | T. Murphy | Wrench | pipe wrenches |
