| All Patents in class 81/101 |
Patents 16 -
30
of 47
      |
| Number | Date | Patentee | Title | Type |
| 509,408 | Nov. 28, 1893 | R.T. Torkelson | Pipe Wrench | pipe wrenches |
| 584,814 | Jun. 22, 1897 | J. Eaton | Wrench | pipe wrenches |
| 595,796 | Dec. 21, 1897 | L.G. Terry | Wrench | pipe wrenches |
| 599,578 | Feb. 22, 1898 | W.T. Williams | Pipe Or Nut Wrench | screw adjust wrenches |
| 622,486 | Apr. 04, 1899 | C.F. Johnson | Wrench | wrench jaw components |
| 630,523 | Aug. 08, 1899 | C.W. Smith | Wrench | pipe wrenches |
| 635,220 | Oct. 17, 1899 | G.S. Adams | Combination Too | combination tools |
| 760,063 | May 17, 1904 | A. McKaig, Sr., J. Emig | Wrench | pipe wrenches |
| 765,569 | Jul. 19, 1904 | A.G. Ely | Wrench | wrench jaw components |
| 792,560 | Jun. 13, 1905 | W.H. Tenny | Wrench | screw adjust wrenches |
| 804,433 | Nov. 14, 1905 | F.L. Robinson | Wrench | pipe wrenches |
| 1,052,313 | Feb. 04, 1913 | A.B. Carll | Pipe-wrench | wrenches |
| 1,075,945 | Oct. 14, 1913 | J.A. Schlehr | Wrench | pipe wrenches |
| 1,143,350 | Jun. 15, 1915 | L.D. Benedict | Pipe Wrench | pipe wrenches |
| 1,362,014 | Dec. 14, 1920 | G.C. Lawson | Pipe Wrench | pipe wrenches |
