| Patents for Barnabas Langdon |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 318X | Feb. 20, 1801 | B. Langdon | Hydraulic machine for raising water |
| | 618X | May 10, 1805 | B. Langdon | Mode of Manufacturing Tin Ware |
| | 752X | Apr. 23, 1807 | B. Langdon | Steelyard |
 | 1,539X | Jun. 20, 1811 | B. Langdon, W. Mowry | Machine for shaving and jointing staves |
 | 2,743X | Feb. 22, 1817 | B. Langdon | Steam applied to propel carriages and boats |
| | GB-181,804,226 | Feb. 12, 1818 | B. Langdon, J. Munro | Certain improvements on steam engines |
 | FX-3,112 | Jun. 05, 1819 | J.C. Langdon, B. Langdon | Propelling boats by horse power |
| | 3,112X | Jun. 05, 1819 | B. Langdon | Paddle wheel |
| | 3,332X | May 01, 1821 | B. Langdon | Propelling horse boats |
 | 9,289X | Dec. 15, 1835 | B. Langdon | Making laths |
