| All Patents in class 81/65 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 265,624 | Oct. 10, 1882 | H. Mueller | Machine For Tapping Mains | auxiliary wrenches |
| 489,048 | Jan. 03, 1893 | L.A. Barber, F.L. Twiss | Pipe Wrench | chain and strap wrenches |
| 508,920 | Nov. 21, 1893 | L. Dahlstrom | Pipe Wrench | chain and strap wrenches |
| 526,047 | Sep. 18, 1894 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 530,547 | Dec. 11, 1894 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 533,548 | Feb. 05, 1895 | S. Moreau | Chain Wrench | chain and strap wrenches |
| 536,553 | Mar. 26, 1895 | J.H. Vinton | Chain Wrench | chain and strap wrenches |
| 542,416 | Jul. 09, 1895 | L.L. Latter | Pipe Wrench | chain and strap wrenches |
| 551,399 | Dec. 17, 1895 | J.H. Newell | Chain Pipe Wrench | chain and strap wrenches |
| 568,697 | Sep. 29, 1896 | W.H. Pickett | Chain Pipe Wrench | chain and strap wrenches |
| 589,038 | Aug. 31, 1897 | J.K. Sheffy | Pipe Wrench | chain and strap wrenches |
| 624,253 | May 02, 1899 | H. Rudebock | Pipe Wrench | chain and strap wrenches |
| 627,075 | Jun. 13, 1899 | J.C. Gifford | Pipe-Wrench | chain and strap wrenches |
| 633,709 | Sep. 26, 1899 | W. Vanderman | Pipe Wrench | chain and strap wrenches |
| 725,103 | Apr. 14, 1903 | R.J. Lockhart | Improved Chain Wrench | chain and strap wrenches |
