| All Patents in class 74/578 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 18,592 | Nov. 10, 1857 | L.J. Knowles | Lifting Jack | jack screws |
| 28,328 | May 15, 1860 | J.H. Parker | Hand-drill | ratchet drills |
| 39,496 | Aug. 11, 1863 | E.A. Raymond | Ratchet Drill | ratchet drills |
| 69,399 | Oct. 01, 1867 | W. Brown | Improvement in Ratchet-Braces | ratchet braces |
| 81,145 | Aug. 18, 1868 | W.F. Cornell | Ratchet Drill | ratchet drills |
| 139,667 | Jun. 10, 1873 | A.D. Goodell | Improvement in bit-stocks | brace chucks |
| 207,964 | Sep. 10, 1878 | H.C. Hart | Ratchet bit-stock | brace chucks |
| 212,336 | Feb. 18, 1879 | T.A. Weston | Ratchet Mechanism and Clutch for Machinery | industrial machine clutches |
| 270,394 | Jan. 09, 1883 | L.J. Crecelius | Lifting Jack | jack screws |
| 292,280 | Jan. 22, 1884 | W. Brede | Ratchet Drill | ratchet drills |
| 309,876 | Dec. 30, 1884 | C. Reising | Ratchet Drill | ratchet braces |
| 379,656 | Mar. 20, 1888 | W.F. Parish | Ratchet Mechanism for Saw Mill Set Works | sawmill set works |
| 384,865 | Jun. 19, 1888 | H.N. Parker | Pawl and ratchet coupling for bit-braces, etc. | |
| 510,046 | Dec. 05, 1893 | H.N. Parker | Pawl-and-ratchet coupling for rotating tools | |
| 810,409 | Jan. 23, 1906 | G.M. Heard | Ratchet-brace | ratchet braces |
