| All Patents in class 74/109 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 18,025 | Aug. 18, 1857 | T.F. Taft | Shears for Cutting Metal | metal shearing machines |
| 166,844 | Aug. 17, 1875 | P. Broadbooks | Improvement in mechanical movements | metalworking machine mechanisms |
| 210,935 | Dec. 17, 1878 | P.H. Green | Improvement in pumps | reciprocating pumps |
| 619,546 | Feb. 14, 1899 | J.K. Daniels | Monkey Wrench | quick adjust wrenches |
| 1,142,054 | Jun. 08, 1915 | D.C. Prescott | Valve-controller | steam valves |
| 2,453,656 | Nov. 09, 1948 | E.P. Bullard | Rack and Pinion Gear Means | |
| 3,786,938 | Jan. 22, 1974 | E.E. Kirkham | Reversing Drive for a Tool Changer | tool changers and storage mechanisms |
