| All Patents in class 418/249 |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
| | 342 | Aug. 08, 1837 | A. Miller | Rotary Steam Engine |
| | 4,776 | Sep. 26, 1846 | J. Miller | Rotary Engine |
| | 5,343 | Oct. 30, 1847 | D. Buffum, A. Buffum | Rotary Steam Engine |
| | 9,600 | Mar. 01, 1853 | J. McKay | Steam Engine |
| | 10,075 | Oct. 04, 1853 | J.C. Salomon | Rotary Steam Engine |
| | 13,458 | Aug. 21, 1855 | S. Gerhard, W. Fields | Water Wheel |
| | 50,666 | Oct. 24, 1865 | J.T. Warren | Rotary Steam Engine |
| | 64,068 | Apr. 23, 1867 | S.H. Brown | Rotary Steam Engine |
| | 80,630 | Aug. 04, 1868 | A.W. Jackson, N. Jackson | Rotary Steam Engine |
 | 420,331 | Jan. 28, 1890 | A.F. Brown | Rotary Engine |
