| All Patents of Type: self-adjust wrenches |
Patents 1 -
15
of 291
      |
| Number | Date | Patentee | Title | Type |
| 6,077 | Jan. 30, 1849 | A. Hay | Improved Hinged Claw-Wrench | self-adjust wrenches |
| 18,266 | Sep. 22, 1857 | H.D. Blake | Improvement in Hand-Wrenches | self-adjust wrenches |
| 32,106 | Apr. 16, 1861 | G.W. Martin | Improvement in Wrenches | wrench jaw components |
| 36,289 | Aug. 26, 1862 | H.V. Faries | Improved Wrench for Grasping and Turning Gas-Pipes, Bolts and Any Article of Cylindrical Form | pipe wrenches |
| 37,395 | Jan. 13, 1863 | H. Getty | Improved Self-Adjusting Pipe Tongs | self-adjust wrenches |
| GB-186,300,945 | Apr. 21, 1863 | L. Schwartzkopff, W.E. Newton | Spanners and Wrenches; Combination Tools | self-adjust wrenches |
| 42,903 | May 24, 1864 | E. Kaselowsky, I. Schwartzkopff | Wrench | self-adjust wrenches |
| 44,703 | Oct. 18, 1864 | J.R. Brown | Improved Pipe-Wrench | pipe wrenches |
| 52,930 | Feb. 27, 1866 | W. Morehouse | Improvement in Wrenches | nut wrenches |
| 61,355 | Jan. 22, 1867 | J.L. Peake | Pipe Wrench | pipe wrenches |
| 61,575 | Jan. 29, 1867 | P. Somer | Improvement in Wrenches | self-adjust wrenches |
| 65,465 | Jun. 04, 1867 | J.B. Barnes | Improvement in Pipe and Stud-Wrenches | self-adjust wrenches |
| 65,588 | Jun. 11, 1867 | A.M. Olds | Improved Self-Adjusting Wrench | pipe wrenches |
| GB-186,800,333 | Jan. 30, 1868 | A.M. Clark, P.A. Samuel | Wrenches: Stocks and Dies | self-adjust wrenches |
| 74,697 | Feb. 18, 1868 | W. Kenyon, Jr. | Improvement in Pipe-Tongs | pipe tongs |
