| All Patents in class 74/27 |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 138,139 | Apr. 22, 1873 | W.B. Duckworth | Improvement in clutches for machinery | metalworking machine mechanisms |
| 142,816 | Sep. 16, 1873 | A. Rodgers | Improvement in cranks for saw-mills | reciprocating sawmills |
| 255,115 | Mar. 21, 1882 | B.F. Radford | Metal Planer | metal planers |
| 324,223 | Aug. 11, 1885 | W.A. Campbell | Feed mechanism for sawmill carriages | sawmill carriages |
| 344,082 | Jun. 22, 1886 | J.K. Cullen | Metal Planing Machine | metal planers |
| 374,908 | Dec. 13, 1887 | W. Sellers, J.S. Bancroft | Planing Machine for Metals | metal planers |
| 444,309 | Jan. 06, 1891 | G.F. Welivar | Driving-gear for planers | metal planers |
| 447,825 | Mar. 10, 1891 | F. Higgins | Reversing Mechanism for Lathes | metal lathe accessories and attachments |
| 731,087 | Jun. 16, 1903 | Z.R. Tucker | Carriage Reversing Mechanism for Grinding Machines | cylindrical grinders |
| 995,205 | Jun. 13, 1911 | W.H. Trout | Sawmill set-works | sawmill set works |
| 1,197,029 | Sep. 05, 1916 | R. Janney, J.J. Crain | Driving mechanism | metal planers |
| 1,267,534 | May 28, 1918 | W.F. Fraser | Grinder | |
| 1,390,706 | Sep. 13, 1921 | R.T. Hazelton | Machine Tool Trip | metalworking machine mechanisms |
| 1,506,276 | Aug. 26, 1924 | F.H. Stolp | Machine Element | metalworking machine mechanisms |
| 1,646,441 | Oct. 25, 1927 | F.R. Belluche | Mechanical movement | printer |
