| Patents for John E. Sweet |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 58,152 | Sep. 18, 1866 | R.H. Thorn | Chuck | metal lathe chucks |
| 166,318 | Aug. 03, 1875 | J.E. Sweet | Screw Taps | taps and dies |
| 261,967 | Aug. 01, 1882 | J.E. Sweet | Tool Post for Lathes | lathe tool holders and tool posts |
| 275,871 | Apr. 17, 1883 | J.E. Sweet | Valve Gear | steam engine valve gear |
| 313,552 | Mar. 10, 1885 | J.E. Sweet | Micrometer Gauge | micrometers |
| 532,296 | Jan. 08, 1895 | J.E. Sweet | Steam and Water Separator | steam and water separators |
| 1,170,198 | Feb. 01, 1916 | F.G. Chambers, A. Winter, J.E. Sweet | Sand Blast Device | sand blasters |
