| All Patents of Type: pipe threading machines |
Patents 1 -
15
of 75
      |
| Number | Date | Patentee | Title | Type |
| 143,273 | Sep. 30, 1873 | W.D. Chase | Machine for Cutting and Threading Pipes, &c. | pipe threading machines |
| 265,639 | Oct. 10, 1882 | A. Saunders | Chuck | pipe threading machines |
| 270,407 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 270,408 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 270,409 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 309,374 | Dec. 16, 1884 | M.C. Bignall, G.W. Whitman | Pipe cutting and threading machine | pipe cutting machines |
| 312,700 | Feb. 24, 1885 | M. Blakey | Machine for Making Tapered Threaded Sockets | pipe threading machines |
| 372,490 | Nov. 01, 1887 | A. Saunders | Machine for Cutting and Screw Threading Tubes, &c. | pipe threading machines |
| 403,791 | May 21, 1889 | H.H. Taylor | Machine for Cutting Right and Left Threads on Nipples | pipe threading machines |
| 406,857 | Jul. 09, 1889 | A. Saunders | Screw Cutting Die | pipe threading machines |
| 407,413 | Jul. 23, 1889 | D. Rosser, T. McFassen | Pipe Thread Cutting Machine | pipe threading machines |
| 434,424 | Aug. 19, 1890 | A.W. Cash | Pipe Threading and Cutting Off Machine | pipe threading machines |
| 437,713 | Oct. 07, 1890 | G.A. Chapman, J.H. Newbury | Method of Cutting Screw Threads | pipe threading machines |
| 438,605 | Oct. 21, 1890 | F.S. Cook | Nut Tapping Machine | nut or bolt making machines |
| 443,500 | Dec. 30, 1890 | L.B. Curtis, R.P. Curtis | Pipe Threading Machine | pipe threading machines |
