| All Patents in class 418/191 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 8,644X | Feb. 20, 1835 | G.M. Alsop | Rotary steam engine |
 | 59,792 | Nov. 20, 1866 | D. Drawbaugh | Improvement in faucets |
 | 165,805 | Jul. 20, 1875 | T.S. Disston | Rotary Blower |
| | 293,511 | Feb. 12, 1884 | J.H. Phelps | Rotary Engine |
| | 428,762 | May 27, 1890 | W.S. Sharpneck | Rotary Gas Engine |
| | 432,677 | Jul. 22, 1890 | C. Harper, N. Ratchford | Steam Engine |
| | 449,148 | Mar. 31, 1891 | G.H. Weston | Rotary Engine |
| | 465,947 | Dec. 29, 1891 | W.J. Putnam | Rotary Engine |
| | 685,775 | Nov. 05, 1901 | T.J. Lindsay | Rotary Pump or Blower |
 | 741,018 | Oct. 13, 1903 | H.M. Dailey | Rotary engine |
