| All Patents in class 91/180 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 339,280 | Apr. 06, 1886 | J.H. Eickershoff | Single Acting Compound Engine |
 | 409,457 | Aug. 20, 1889 | F.A. Shoemaker, J.W. Dennis | Steam-engine |
 | 424,183 | Mar. 25, 1890 | F.A. Shoemaker, J.W. Dennis | Reversing-valve for steam-engines |
| | 430,311 | Jun. 17, 1890 | J.W. Eisenhuth | Cut-Off for Compound Engines |
| | 630,767 | Aug. 08, 1899 | C.H. Beadle | Rotary Distributing Valve |
| | 714,977 | Dec. 02, 1902 | C. Vogel | Steam Engine |
 | 757,970 | Apr. 19, 1904 | W.T. Sears | Pneumatic tool |
 | 866,922 | Sep. 24, 1907 | W.O. Duntley | Engine |
 | 1,255,315 | Feb. 05, 1918 | F.A. Jimerson | Ratchet operating mechanism for drills |
 | 1,544,644 | Jul. 07, 1925 | F.A. Jimerson | Fluid-actuated rotary tool |
