| Patents for Hubert Howson |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 163,163 | May 11, 1875 | T.S. Disston | Improvement in Saw Gummers | |
| 165,805 | Jul. 20, 1875 | T.S. Disston | Rotary Blower | tool making machines |
| 167,368 | Aug. 31, 1875 | G.W. Waitt | Improvement in Pipe-Wrenches | pipe wrenches |
| 169,327 | Nov. 02, 1875 | H. Albrecht | Improvement in fluting-machines | pressing irons |
| 170,860 | Dec. 07, 1875 | B.F. Joslyn | Wrench | quick adjust wrenches |
| 171,134 | Dec. 14, 1875 | L. Houston | Improvement in molding-machines | molders |
| 178,989 | Jun. 20, 1876 | W.E. Brock | Improvement in processes of manufacturing marquetry | |
| 187,388 | Feb. 13, 1877 | B.F. Joslyn | Improvement in wood-boring machines | portable timber borers |
| 189,199 | Apr. 03, 1877 | T.S. Disston | Improvement in insertable saw-teeth | insertable saw teeth |
| 192,632 | Jul. 03, 1877 | H. Albrecht | Improvement in clamping devices for fluting-machines | pressing irons |
| 192,920 | Jul. 10, 1877 | B.F. Joslyn | Wrench | nut wrenches |
| 298,709 | May 13, 1884 | J. Smith | Saw | insertable saw teeth |
| 324,635 | Aug. 18, 1885 | M. Bacon | Electrical indicator | |
| 348,818 | Sep. 07, 1886 | J.G. Baker | Pipe and rod vise | pipe and chain vises |
| 506,954 | Oct. 17, 1893 | J.G. Timolat, C. Jacobson | Portable drill | portable metal boring and drilling machines |
