| All Patents in class 81/186 |
Patents 46 -
60
of 203
      |
| Number | Date | Patentee | Title | Type |
| 321,038 | Jun. 30, 1885 | G.B. Koons | Pipe Tongs | pipe wrenches |
| 321,133 | Jun. 30, 1885 | H.F. Osborne | Nut-Pliers | pliers |
| 343,668 | Jun. 15, 1886 | J.J. Looney | Pipe Wrench | pipe wrenches |
| 346,501 | Aug. 03, 1886 | R.R. Rouse | Pipe Wrench | pipe wrenches |
| 347,179 | Aug. 10, 1886 | C.H. Hubbell, W.A. Kelly | Wrench Attachment | pipe jaw attachments for wrenches |
| 355,481 | Jan. 04, 1887 | W.W. Sparhawk | Combination Tool | combination tools |
| 360,731 | Apr. 05, 1887 | F.C. Sawhill | Wrench | self-adjust wrenches |
| 362,661 | May 10, 1887 | W.B. Risdon | Wrench | pipe wrenches |
| 365,019 | Jun. 14, 1887 | C.T. Phillips | Pipe Wrench | pipe wrenches |
| 371,476 | Oct. 11, 1887 | G.A. Reese | Lever-Wrench | pliers type wrenches |
| 376,504 | Jan. 17, 1888 | H.W. Atwater | Improvements in Removable Jaws For Wrenches | pipe jaw attachments for wrenches |
| 380,859 | Apr. 10, 1888 | M.E. Campfield | Combined Nut and Pipe Wrench | quick adjust wrenches |
| 397,794 | Feb. 12, 1889 | A.D. Gates | Manufacture of Wrenches | nut wrenches |
| 404,619 | Jun. 04, 1889 | J.T. Hawkins | Pipe Wrench | alligator wrenches |
| 404,770 | Jun. 04, 1889 | E.S. Boynton | Improvement in Alligator-Wrenches | screw adjust wrenches |
