| All Patents in class 440/35 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 7,963X | Jan. 21, 1834 | C. Bonnycastle | Constructing and applying locomotive engines to boats, barges, etc. on canals | nautical propulsion apparatus |
| 9,696X | Jun. 02, 1836 | G. Hotchkiss | Art of propelling or drawing boats (towing) | nautical propulsion apparatus |
| 131,839 | Oct. 01, 1872 | H.H. Baker | Improvement in propulsion of canal-boats | boats and ships |
| 139,996 | Jun. 17, 1873 | H.H. Baker | Improvement in propelling canal-boats | boats and ships |
| 380,781 | Apr. 10, 1888 | H.H. Baker | Propelling canal-boats | boats and ships |
