| All Patents of Type: canals |
Patents 1 -
15
of 43
      |
| Number | Date | Patentee | Title | Type |
| 4,228X | Oct. 25, 1825 | S. Doolittle | Machine for raising canal boats to be repaired | boat raising machines |
| 4,269X | Nov. 18, 1825 | E. Turner | Machine for raising boats from canals | boat raising machines |
| 4,303X | Dec. 31, 1825 | E. Turner | Machine for raising boats | boat raising machines |
| 4,472X | Jun. 16, 1826 | S.C. Jones | Machine for drawing canal boats out of water for repair | boat raising machines |
| 4,476X | Jun. 20, 1826 | B. Bull | Machine for weighing canal boats | boat weighing machines |
| 4,577X | Nov. 16, 1826 | A. Warner | Machine for raising boats and vessels | boat raising machines |
| NX-182,505,141 | May 14, 1827 | J. Van Dorn | Safety gate for canals | locks |
| 4,814X | Jul. 13, 1827 | R.P. Bell | Taking canal boats from one level canal to another | boat raising machines |
| 4,829X | Jul. 26, 1827 | R. Graves | Mode of passing boats up and down elevators in canals | boat raising machines |
| 4,899X | Oct. 12, 1827 | C. Miner | Hydrostatic steam cradle for raising ships | boat raising machines |
| 4,958X | Jan. 04, 1828 | W. Kendall, D. Rogers | Making locks in canals | locks |
| 5,096X | May 01, 1828 | W. Wiard | Lowering and raising canal boats | boat raising machines |
| 5,425X | Apr. 03, 1829 | D. Rogers | Marine Railway | boat raising machines |
| 5,539X | Jun. 18, 1829 | T. Cohoon | Ascertaining the Weights of Goods, or Other Loading of Boats or Other Water Craft | boat weighing machines |
| 5,844X | Feb. 23, 1830 | W.W. Smith | Raising canal boats, ships, etc. | boat raising machines |
