| All Patents in class 81/182 |
Patents 1 -
15
of 58
      |
| Number | Date | Patentee | Title | Type |
| 78,047 | May 19, 1868 | J.L. Brierly | Improvement in Pipe-Wrench and Cutter | pipe wrenches |
| 86,138 | Jan. 26, 1869 | R.A. Copeland | Pipe Wrench & Cutter | combination tools |
| 157,082 | Nov. 24, 1874 | H.D. Rouse | Wrenches | pipe wrenches |
| 164,368 | Jun. 15, 1875 | C. Fenton | Pipe Tongs and Cutters | wrench combination tools |
| 186,099 | Jan. 09, 1877 | E.F. Barnes | Pipe Tongs and Cutter | pipe tongs |
| 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench | pipe wrenches |
| 195,589 | Sep. 25, 1877 | B. Donohue | Combined Wrench and Pipe-Cutter | combination tools |
| 203,774 | May 14, 1878 | H.F. Read | Wrench Attachment | pipe jaw attachments for wrenches |
| 207,102 | Aug. 20, 1878 | J. Brewer | Pipe-Wrench With Cutter | combination tools |
| 217,195 | Jul. 08, 1879 | C.M. Powers, G.W. Bennum | Combination Tool | combination tools |
| 217,697 | Jul. 22, 1879 | B.W. Lloyd | Monkey-Wrench | wrench jaw components |
| 277,590 | May 15, 1883 | J. McAlpin | Wrench | pipe and nut combination wrenches |
| 307,830 | Nov. 11, 1884 | A. Barbour | Pipe Wrench and Cutter Combined | wrench combination tools |
| 333,618 | Jan. 05, 1886 | R.C. Ellrich | Pipe Cutter | |
| 343,233 | Jun. 08, 1886 | A.H. Esten | Pipe-cutter | plumber |
