| All Patents in class 470 |
Patents 16 -
30
of 772
      |
| Number | Date | Patentee | Title | Type |
| 1,342 | Sep. 25, 1839 | J.B. Bellemere | Mode of Squaring and Finishing the Heads of Bolts, Nut and Other Plain Similar Surfaces | lathe tools |
| 1,411 | Nov. 16, 1839 | H. Crum | Making wood screws | screw machines |
| 1,757 | Sep. 02, 1840 | H. Burden | Machine for making hook or brad headed spikes | nail making machines |
| 1,853 | Nov. 13, 1840 | W. Hunt | Making Cut Nails | nail making machines |
| 2,198 | Jul. 29, 1841 | J. Thompson | Machine for Cutting Screws on the Rails of Bedsteads | wood threading machines |
| 2,453 | Feb. 07, 1842 | L.D. Walter, J. Walter | Machine for Making Screws | screw machines |
| RX-43 | Jul. 08, 1842 | T. Allen | Improvement in Machines for Making Coopers' Rivets and Other Rivets | rivet making machines |
| 2,754 | Aug. 18, 1842 | C. Whipple | Machine for Making Wood Screws | screw machines |
| 3,893 | Jan. 23, 1845 | S. Brooks | Making Wood Screws | screw machines |
| 4,043 | May 10, 1845 | I. Blanchard, J.F. Winslow | Machine for Making Hook or Brad Headed Spikes | nail making machines |
| 4,106 | Jul. 10, 1845 | C. Whipple | Machine for Making Wood Screws | screw machines |
| RX-78 | Jan. 15, 1846 | E. Hunt, W. Osgood | Improvement in machines for making wrought iron spikes and nails | nail making machines |
| 4,525 | May 16, 1846 | A.W. Gray | Wrought-nail machinery | nail making machines |
| 4,548 | May 30, 1846 | T.W. Harvey | Making Wood Screws | screw machines |
| 4,613 | Jul. 02, 1846 | T.W. Harvey | Nicking Heads of Wood Screws | screw machines |
