All Patents of Type: pipe making machines |
Patents 1 -
15
of 31
|
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 |
106,551 | Aug. 23, 1870 | W.T. Cole | Improved Chuck for Holding Pipes and Tubes while being Screw-Threaded | pipe making machines |
133,636 | Dec. 03, 1872 | W.T. Farre | Improvement in machines for bending tubing | pipe and tube benders |
RE5,581 | Sep. 30, 1873 | W.T. Farre | Improvement in machines for bending tubing | pipe and tube benders |
RE5,582 | Sep. 30, 1873 | W.T. Farre | Improvement in the methods of bending tubing | pipe and tube benders |
174,609 | Mar. 07, 1876 | R. Wright | Improvement in Machines for Bending Tubing | pipe and tube benders |
183,190 | Oct. 10, 1876 | J. McWilliams | Machine for Bending Metal Pipes | pipe and tube benders |
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 |
407,675 | Jul. 23, 1889 | H.F. Grimmesey, J.F. McNutt | Tube Bending Machine | pipe and tube benders |
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 |