| Patents for Charles M. Keller |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| FX-5,212 | Aug. 29, 1828 | U. Brown | Improvement in steam engines, &c. | steam engines |
| NX-182,808,291 | Aug. 29, 1828 | U. Brown | Improvement in steam engines, &c. | steam engines |
| 5,897X | Apr. 01, 1830 | S. King | Manufacturing horse shoes | horseshoes |
| 7,606X | Jun. 03, 1833 | C.M. Keller | Portable horse power | animal powered apparatus |
| 9,096X | Sep. 18, 1835 | E. Badlam, Jr. | Boring hubs | drilling and boring |
| 9,798X | Jun. 29, 1836 | C.M. Keller | Making staves | cooper |
| 3,053 | Apr. 15, 1843 | J. Hamilton | Machine for curvilinear and compound-bevel sawing | reciprocating sawmills |
| RE71 | Jul. 08, 1845 | W. Woodworth | Woodworth planer | wood planers |
| 4,202 | Sep. 19, 1845 | F.E. Sickels | Mode of connecting steam-cylinders with steam-chests | steam engine valve gear |
| 4,244 | Oct. 25, 1845 | J. Urney | Corn Mill | miller |
| 4,257 | Nov. 08, 1845 | M. Pierce | Bleaching Apparatus | |
| 5,199 | Jul. 24, 1847 | R.M. Hoe | Improvement in rotary printing-presses | printing presses |
| RE107 | Feb. 22, 1848 | T.J. Sloan | Improvement in wood-screws | |
