| All Patents in class 147/20 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 4,966 | Feb. 10, 1847 | T. Molinier | Barrel machinery | barrel making machines |
| 126,197 | Apr. 30, 1872 | L.R. Fulda | Improvement in stave-machines | barrel making machines |
| 132,734 | Nov. 05, 1872 | O. Osten | Improvement in machines for crozing and chamfering staves | barrel making machines |
| 329,846 | Nov. 03, 1885 | F. Myers | Machine for trimming, chamfering, and crozing staves | barrel making machines |
| 367,890 | Aug. 09, 1887 | J.W. Callahan | Stave-crozing machine | barrel making machines |
| 384,786 | Jun. 19, 1888 | M.O. Rehfuss, J.G. Rehfuss, G. Rehfuss | Barrel-stave-cutting machine | barrel making machines |
