| All Patents in class 81/356 |
Patents 16 -
30
of 80
      |
| Number | Date | Patentee | Title | Type |
| 282,256 | Jul. 31, 1883 | E.F. Barnes | Improvements in Pipe-Tongs and Wrench Combined | pipe tongs |
| 297,640 | Apr. 29, 1884 | F. Schmemann | Wrench | pipe wrenches |
| 314,572 | Mar. 31, 1885 | C.J. Hirlinger, J. Forshey | Wrench | wrench handle components |
| 340,516 | Apr. 20, 1886 | W. Moston | Improvement In Pipe-Tongs | pipe tongs |
| 396,877 | Jan. 29, 1889 | C.H. Kennedy | Wrench | screw adjust wrenches |
| 411,502 | Sep. 24, 1889 | J.D. Hodge | Improvements in Pipe Tongs | pipe tongs |
| 432,070 | Jul. 15, 1890 | P.H. Quinlan | Pipe Wrench | pipe tongs |
| 437,102 | Sep. 23, 1890 | C.W. Dixon | Wrench | quick adjust wrenches |
| 439,071 | Oct. 21, 1890 | W.H. Huston | Combined Nut Wrench and Tool | wrench combination tools |
| 441,199 | Nov. 25, 1890 | S.D. Shambarger | Wrench | quick adjust wrenches |
| 455,183 | Jun. 30, 1891 | J. Dushane | Wrench | screw adjust wrenches |
| 461,769 | Oct. 20, 1891 | F.S. Patton | Pipe Wrench | pipe wrenches |
| 474,810 | May 17, 1892 | A.B. Carll | Wrench | pipe wrenches |
| 474,987 | May 17, 1892 | W. Church | Wrench | quick adjust wrenches |
| 505,869 | Oct. 03, 1893 | E. Wright | Pipe Wrench | pipe wrenches |
