| All Patents in class 91/186 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 98,061 | Dec. 21, 1869 | A. Hendry | Steam and Caloric Engine | hot air engines |
| 120,846 | Nov. 14, 1871 | N.B. Baldwin | Propelling Power | steam traction engines |
| 125,838 | Apr. 16, 1872 | A.T. Nichols | Improvement in steam-engines | steam engines |
| 128,062 | Jun. 18, 1872 | C.W. Patten | Improvment in Rotary Steam-Engines | rotary steam engines |
| 503,975 | Aug. 29, 1893 | E.S. Matthews | Hydraulic valve-gear | |
| 584,760 | Jun. 15, 1897 | D.A. Decrow | Pumping engine | steam pumps |
| 666,690 | Jan. 29, 1901 | C.K. Pickles | Engine | drilling and boring |
| 1,493,650 | May 13, 1924 | G.D. Sundstrand | Rubbing machine | sanding machines |
| 2,253,490 | Aug. 26, 1941 | H.F. Bakewell | Internal combustion engine | gas and gasoline engines |
| 2,398,268 | Apr. 09, 1946 | J.C. Wilson | Machine Tool | machine tool controls |
| 2,436,492 | Feb. 24, 1948 | R.H. Shepard | Pumping Units for Mechanical Lubricators | industrial machine lubrication |
| 2,598,480 | May 27, 1952 | J.W. Wright | Power-operated saw having oppositely reciprocating saw blades. | handheld power reciprocating saws |
| 2,635,847 | Apr. 21, 1953 | F.H. Rued | Turbine Jet Controller | nozzle controllers |
| 3,003,472 | Oct. 10, 1961 | D.C. Miller, R.M. Ferris | Quill Actuating and Clamping Mechanism | milling machines |
