| Patents for Thomas W. Porter |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 52,188 | Jan. 23, 1866 | J. Mutty | Improvement in feed-rollers to circular saws | tablesaw accessories |
| 72,327 | Dec. 17, 1867 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
| 101,903 | Apr. 12, 1870 | J.I. Munroe | Improvement in bung-cutter | cutters |
| 103,925 | Jun. 07, 1870 | H.K. Porter | Improvement in saw-set | saw sets |
| 144,187 | Nov. 04, 1873 | A. Burnham | Improvement in machines for cutting the heads of fence-pickets | stick pointing machines |
| RE5,653 | Nov. 11, 1873 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
| 226,190 | Apr. 06, 1880 | H.K. Porter | Bolt-cutter | bolt cutters |
| 236,695 | Jan. 18, 1881 | H.K. Porter | Bolt-cutter | bolt cutters |
| 290,137 | Dec. 11, 1883 | E.W. Strange | Set-works for saw-mills | sawmill set works |
| 292,422 | Jan. 22, 1884 | J.B. Emery | Cutter-head | cutterheads |
| 295,490 | Mar. 18, 1884 | J.B. Emery | Rotary cutter | cutterheads |
| 361,218 | Apr. 12, 1887 | B.F. Kent, J.M. Foster | Rotary kerf-spreader | woodworking machine safety guards |
| 495,731 | Apr. 18, 1893 | R.A. Johnson, B. Gallagher | Saw attachment | railroads |
| 547,346 | Oct. 01, 1895 | B. Gallagher | Relasting-machine | shoemaking |
