| All Patents in class 81/186 |
Patents 76 -
90
of 203
      |
| Number | Date | Patentee | Title | Type |
| 460,155 | Sep. 29, 1891 | M.E. O'Connor | Wrench | pipe wrenches |
| 460,230 | Sep. 29, 1891 | G. Gunnarson | Three Gripped Self Adjusting Pipe Wrench | pipe tongs |
| 460,591 | Oct. 06, 1891 | E. Murphy | Pipe Wrench | pipe wrenches |
| 462,583 | Nov. 03, 1891 | A.A. Swift, B.W. Perrigo | Pipe Tongs | pipe tongs |
| 463,137 | Nov. 17, 1891 | D.H. Carpenter | Engineer's Wrench | wrench jaw components |
| 467,151 | Jan. 19, 1892 | D.H. Carpenter | Wrench | screw adjust wrenches |
| 468,177 | Feb. 02, 1892 | M. Horrigan | Wrench | pipe wrenches |
| 472,153 | Apr. 05, 1892 | J.J. Tomey | Pipe And Rod Wrench | wrench combination tools |
| 483,461 | Sep. 27, 1892 | J.A. Litel | Wrench | combination tools |
| 486,235 | Nov. 15, 1892 | A.N. Parnall | Pipe-Wrench | pipe wrenches |
| 486,764 | Nov. 22, 1892 | D.H. Carpenter | Wrench | wrench jaw components |
| 487,087 | Nov. 29, 1892 | D.H. Carpenter | Wrench | screw adjust wrenches |
| 489,273 | Jan. 03, 1893 | J.W. Steele | Wrench | quick adjust wrenches |
| 492,435 | Feb. 28, 1893 | S.B. Rittenhouse | Pipe Wrench | wedge adjust wrenches |
| 496,753 | May 02, 1893 | C.H. Gage, J. Smith | Pipe Wrench | pipe wrenches |
