| Patents for John Greenwood |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| GB-182,505,074 | Jan. 11, 1825 | G. Sayner, J. Greenwood | Sawing and Cutting Wood and Timber by Machinery | circular sawmills |
| 24,458 | Jun. 21, 1859 | J. Greenwood | Machine for chamfering barrel-heads | cooper |
| 46,661 | Mar. 07, 1865 | J. Greenwood | Improvement in machines for making heads to barrels | cooper |
| 70,393 | Nov. 05, 1867 | G.L. Benton | Improved emery-wheels for grinding and polishing saws, &c. | saw sharpening machines |
| 79,651 | Jul. 07, 1868 | J. Greenwood | Improvement in machines for cutting staves | cooper |
| 127,478 | Jun. 04, 1872 | J. Greenwood | Improvement in machines for crozing and chamfering barrels | cooper |
| 145,942 | Dec. 30, 1873 | J. Greenwood | Improvement in machines for forcing hoops on barrels | cooper |
| 167,166 | Aug. 31, 1875 | J. Greenwood | Improvement in machines for chamfering and crozing barrels | cooper |
| 167,190 | Aug. 31, 1875 | J. Greenwood, J. Naylor, Jr. | Improvement in machines for trussing and nailing barrels | barrel making machines |
| RE7,093 | May 02, 1876 | J. Greenwood | Improvement in machines for crozing and chamfering barrels | cooper |
| 187,757 | Feb. 27, 1877 | J. Greenwood, J. Hazard | Improvement in machines for jointing staves | barrel making machines |
| 197,394 | Nov. 20, 1877 | P. Vollmar, J. Naylor, Jr. | Improvement in stave-jointing machines | barrel making machines |
| 199,056 | Jan. 08, 1878 | J. Greenwood | Hoop-making machine | hoop making machines |
| 199,057 | Jan. 08, 1878 | J. Greenwood | Improvement in machines for making staves | cooper |
| 199,058 | Jan. 08, 1878 | J. Greenwood | Improvement in barrel-hoop machines | hoop making machines |
