| All Patents in class 123/65VD |
Patents 1 -
10
of 42
      |
| Picture | Number | Date | Patentee | Title |
 | 31,722 | Mar. 19, 1861 | J.É. Lenoir | Air Engine |
| | 63,416 | Apr. 02, 1867 | F. Million | Gas Engine |
 | 125,166 | Apr. 02, 1872 | G.B. Brayton | Improvement in Gas Engines |
| | 140,021 | Jun. 17, 1873 | R. Anders, L.C. Errani | Dynamic Machines |
| | 220,174 | Sep. 30, 1879 | J. Robson | Gas-Engine |
| | 225,778 | Mar. 23, 1880 | W. Hees, W. Wittig | Gas-Engine |
| | 230,470 | Jul. 27, 1880 | D. Clerk | Gas Motor Engine |
| | 253,406 | Feb. 07, 1882 | T. McAdoo | Gas Engine |
| | 259,736 | Jun. 20, 1882 | H. Wiedling | Gas Engine |
| | 264,126 | Sep. 12, 1882 | C.G. Beechey | Gas Engine |
