| All Patents of Type: pipe making machines |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 163X | Apr. 13, 1797 | C. Leach | Boring pumps and conduits | wood drilling and boring |
| 8,092X | Mar. 18, 1834 | A. Coffman | Machine for making stone or earthen pipes (Pipes and tubes) | pipe making machines |
| 30,044 | Sep. 18, 1860 | A. Brady | Improvement in casting pipe | pipe making machines |
| 79,548 | Jul. 07, 1868 | S.E. Chubbuck | Improved machine for making tin-lined lead pipe | pipe making machines |
| 79,549 | Jul. 07, 1868 | J.H. Chadwick, S.E. Chubbuck | Improved machine for making tin-lined lead pipe | pipe making machines |
| 106,551 | Aug. 23, 1870 | W.T. Cole | Improved Chuck for Holding Pipes and Tubes while being Screw-Threaded | pipe making machines |
| 317,209 | May 05, 1885 | L.C. Rodier | Lathe | pipe making machines |
| 382,142 | May 01, 1888 | G. Cumming | Pipe-riveting machine | pipe making machines |
| 427,037 | May 06, 1890 | J.T. Bright | Cob Pipe Turning and Boring Lathe | pipe making machines |
| 441,927 | Dec. 02, 1890 | T.J. Bray | Machine for Cold Drawing Metallic Pipe | pipe making machines |
| 515,826 | Mar. 06, 1894 | T. Gibney | Device for Holding Pipe | pipe making machines |
| 569,902 | Oct. 20, 1896 | F.E. Wells, W.C. Wells | Machine for Making Nipples | pipe making machines |
| 581,187 | Apr. 20, 1897 | F.E. Wells, W.C. Wells | Machine for Making Nipples and Stud Bolts | pipe making machines |
| 585,865 | Jul. 06, 1897 | C.S. Hamlin | Pipe Truing Lathe | pipe making machines |
| 603,392 | May 03, 1898 | W.J. Woodward | Wooden Pipe Banding Machine | pipe making machines |
