| Patents for Peter Welch |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 15,757 | Sep. 23, 1856 | A.H. Crozier | Stave-jointer | barrel making machines |
| 40,783 | Dec. 01, 1863 | P. Welch | Improved stave-cutting machine | cooper |
| 40,784 | Dec. 01, 1863 | P. Welch | Improved machine for jointing staves | cooper |
| 41,248 | Jan. 12, 1864 | P. Welch | Improvement in machines for dressing barrel-heads | barrel making machines |
| 41,249 | Jan. 12, 1864 | P. Welch | Improvement in machines for chamfering and crozing barrels | barrel making machines |
| 42,244 | Apr. 05, 1864 | P. Welch | Improvement in machines for sawing headings for barrels | cooper |
| 109,854 | Dec. 06, 1870 | P. Welch | Improvement in machines for trussing barrels | barrel making machines |
| 141,246 | Jul. 29, 1873 | P. Welch | Improvement in hoop-cutting machines | hoop making machines |
