| All Patents in class 123/79R |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
| | 11,909 | Nov. 07, 1854 | C. Rumley | Rotary Steam Engine |
| | 440,485 | Nov. 11, 1890 | T. Browett, H. Lindley | Liquid Hydrocarbon Motor Engine |
| | 514,359 | Feb. 06, 1894 | W.W. Grant | Vapor Gas Engine |
| | 547,606 | Oct. 08, 1895 | W.E. Gibson | Petroleum or Hydrocarbon Engine |
| | 553,460 | Jan. 21, 1896 | W.W. Grant | Gas or Vapor Engine |
| | 553,488 | Jan. 21, 1896 | W.W. Grant | Gas Engine |
 | 571,498 | Nov. 17, 1896 | E. Rappe | Gas Engine |
| | 595,625 | Dec. 14, 1897 | A.L. Harbison | Gas Engine |
| | 605,815 | Jun. 14, 1898 | J.F. Duryea | Gas Engine |
| | 634,686 | Oct. 10, 1899 | O.F. Good | Gas Engine |
