| Patents for Barnabas Langdon |
Patents 1 -
15
of 15
      |
| Number | Title | Classification(s) |
| 318X | Hydraulic machine for raising water | 417/572 |
| 618X | Mode of Manufacturing Tin Ware | |
| 752X | Steelyard | |
| 1,539X | Machine for shaving and jointing staves | 147/25, 147/39 |
| 2,743X | Steam applied to propel carriages and boats | 60/508 |
| GB-181,804,226 | Certain improvements on steam engines | |
| 3,112X | Paddle wheel | |
| FX-3,112 | Propelling boats by horse power | 1/1 |
| 3,332X | Propelling horse boats | |
| 9,289X | Making laths | 83/444 |
| 286 | Mode of applying horse or other animal power to propelling machinery | 185/19, 475/197, 83/167 |
| 555 | Machine for planing plank boards and clapboards | 144/120, 144/155, 144/36 |
| 556 | Machine for planing shingles | 144/121, 144/125, 144/155, 83/410 |
| 2,689 | Improvement in plows | 114/79R, 172/721 |
| 4,469 | Improvement in hemp-dressers | 19/26 |
