| All Patents in class 81/185.2 |
Patents 1 -
15
of 58
      |
| Number | Date | Patentee | Title | Type |
| 37,459 | Jan. 20, 1863 | N. Porter | Improvement in Wrenches | quick adjust wrenches |
| 56,166 | Jul. 10, 1866 | B. Boardman | Improved Tool | wrench combination tools |
| 90,307 | May 18, 1869 | B. Riley | Adjustable Gas-Pipe Tongs | pipe tongs |
| 96,776 | Nov. 16, 1869 | J.W. Close | Improvement in Combined Screw and Pipe-Wrench and Pipe-Cutter | combination tools |
| 97,430 | Nov. 30, 1869 | R. Nicholson | Wrench | wrenches |
| 198,709 | Dec. 25, 1877 | W.E. Thornton | Pipe-Wrench With Cutter | pipe tongs |
| 212,369 | Feb. 18, 1879 | J. Gilberds, B. Franklin | Pipe-Wrench With Cutter | pipe wrenches |
| 212,795 | Mar. 04, 1879 | D. Fisher | Pipe and Nut Wrench | wrench jaw components |
| 216,014 | Jun. 03, 1879 | H. Banister | Pipe-Tongs | pipe tongs |
| 234,304 | Nov. 09, 1880 | C.H. Lovrien | Pipe Tongs | pipe tongs |
| 243,277 | Jun. 21, 1881 | W.H. Love | Monkey Wrench | wrenches |
| 244,269 | Jul. 12, 1881 | C.H. Lovrien | Pipe Tongs | pipe tongs |
| 271,595 | Feb. 06, 1883 | S.A. Bostwick | Pipe Wrench | pipe wrenches |
| 284,015 | Aug. 28, 1883 | I.Q. Holmes | Wrench | axle nut wrenches that lock nut to wheel hub |
| 286,842 | Oct. 16, 1883 | G.W. Pittman | Wrench | quick adjust wrenches |
