| All Patents in class 470/96 |
Patents 1 -
15
of 80
      |
| Number | Date | Patentee | Title | Type |
| 19,752 | Mar. 30, 1858 | R.H. Cole | Screw Cutting Machine | screw machines |
| 79,971 | Jul. 14, 1868 | E. Gould | Improved screw-threading machine | |
| 141,299 | Jul. 29, 1873 | C.C. Walworth | Screw Cutting Machines | screwcutting lathes |
| 162,194 | Apr. 20, 1875 | E. Schlenker | Improvement in bolt-threading machines | metal threading machines |
| 312,700 | Feb. 24, 1885 | M. Blakey | Machine for Making Tapered Threaded Sockets | pipe threading machines |
| 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device | tap and die holders |
| 329,830 | Nov. 03, 1885 | M.W. Grovesteen | Electric Signaling Apparatus for Machinery | metal lathe accessories and attachments |
| 332,242 | Dec. 15, 1885 | W. Evans | Drill-press | drill presses |
| 357,807 | Feb. 15, 1887 | E. Allen, D.S. Henrie | Drilling-machine | drill presses |
| 423,729 | Mar. 18, 1890 | J.H. Newbury, G.A. Chapman | Device for Cutting Screw Threads | metal threading machines |
| 437,459 | Sep. 30, 1890 | F. Schoff | Portable reaming and tapping tool | portable metal drilling machines |
| 437,713 | Oct. 07, 1890 | G.A. Chapman, J.H. Newbury | Method of Cutting Screw Threads | pipe threading machines |
| 450,403 | Apr. 14, 1891 | E.A. Corliss, administratrix, G.H. Corliss, deceased (estate of) | Machine for Fitting the Exhaust Valve Boxes of Steam Engines | metalworking machines |
| 465,827 | Dec. 29, 1891 | H.C. Bradford | Tapping and Thread Cutting Machine | tapping machines |
| 466,946 | Jan. 12, 1892 | D.J. Hurley | Tapping Device | tap and die holders |
