All Patents in class 470/66 |
Patents 16 -
30
of 57
|
Number | Date | Patentee | Title | Type |
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 |
418,637 | Dec. 31, 1889 | J.O. Barrett | Vise | bench vises |
529,169 | Nov. 13, 1894 | J. Hartness | Screw Cutting Die | tap and die holders |
584,213 | Jun. 08, 1897 | J. Fritz | Bar and Shafting Turning Machine | shaft turning lathes |
597,732 | Jan. 25, 1898 | A.J. Morse | Threading Machine | metal threading machines |
670,672 | Mar. 26, 1901 | G.W. Hoadley | Combination Metal and Wood Working Machine | drilling and boring |
771,528 | Oct. 04, 1904 | H.E. Boyd | Threading Mechanism | pipe threading machines |
786,353 | Apr. 04, 1905 | C.R. Gabriel | Screw Machine | screw machines |
835,698 | Nov. 13, 1906 | R. Bartholomäus | Combination Tool | portable turning tools |
872,728 | Dec. 03, 1907 | J. Hartness | Machine for Cutting Screw Threads | metal threading machines |
876,814 | Jan. 14, 1908 | H.B. Lester | Automatic Screw Machine | screw machines |
922,120 | May 18, 1909 | C.M. Foster | Pipe-Threading Machine. | pipe threading machines |
932,607 | Aug. 31, 1909 | J.J. Grant | Thread-cutting attachment for automatic lathes | automatic lathes |