| All Patents in class 384 |
Patents 1 -
15
of 721
      |
| Number | Date | Patentee | Title | Type |
| 105X | Feb. 16, 1796 | J. Eaton | Manufacturing of Seal Skins | leatherworker |
| 730X | Feb. 12, 1807 | E.A. Lester | Casting Trundle Heads for Axletrees | patternmaker |
| 6,124X | Oct. 01, 1830 | J. Elgar | Rail road cars | |
| 8,060X | Mar. 10, 1834 | F. Fredley | Reducing friction spindle | |
| 8,399X | Sep. 09, 1834 | I. Clowes | Friction rollers for machinery | |
| 8,765X | Apr. 14, 1835 | B. Hinkley | Diminishing friction in axletrees | |
| 8,881X | Jun. 12, 1835 | J. Nicolet | Anti-friction wheels, applicable to steam boats | steamboats |
| 9,239X | Nov. 14, 1835 | E. Fisk, J.C. Green | Hubs and rotary bearing, anti-friction boxes | wheelwright |
| 9,799X | Jun. 30, 1836 | J. Abbott | Horse Power | animal powered apparatus |
| 1,252 | Jul. 17, 1839 | I. Babbitt | Mode of making boxes for axles and gudgeons | railroad car axles |
| AI33 | Sep. 04, 1840 | I. Babbitt | Journal Box | industrial machine mechanisms |
| 6,039 | Jan. 16, 1849 | H. Knowles | Bearing for upright shafts | industrial machine bearings |
| 7,357 | May 14, 1850 | L. Bissell | Improvement in Connecting-Rods of Steam-Engines and Other Machinery | steam engine crank rods |
| 9,072 | Jun. 29, 1852 | G. Hotchkiss | Hanging steps of mill-spindles | |
| 11,232 | Jul. 04, 1854 | J.A. Pitts, J. Brayley | Improvement in horse-power | animal powered apparatus |
