| All Patents in class 92/130R |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 6,589 | Jul. 10, 1849 | R. Porter | Arrangement and method of working the valves of auxiliary engines for feeding boilers | solid fuel stokers |
| 133,649 | Dec. 03, 1872 | C.P. Leavitt | Hot Air Engines | hot air engines |
| 244,094 | Jul. 12, 1881 | J.W. Thompson | Cylinder for steam-engine indicators | steam engine indicators |
| 327,866 | Oct. 06, 1885 | M.G. Crane | Gas Engine | gas and gasoline engines |
| 453,980 | Jun. 09, 1891 | E.S. Matthews | Hydraulic valve-gear | |
| 1,510,205 | Sep. 30, 1924 | J.T. Beaty | Cotton tamper | |
| 1,808,275 | Jun. 02, 1931 | F.N. Whitesell | Safety Apparatus | hoists, winches, come-alongs |
| 2,394,488 | Feb. 05, 1946 | V.G. Klein, L.C. Rotter | Lubricating Apparatus | |
| 2,567,641 | Sep. 11, 1951 | M.W. Hazelton | Hydraulic work hold-down or clamp | hydraulic apparatus |
| 2,955,578 | Oct. 11, 1960 | A.H. Luedicke, Jr., C.L. Flessate | Hydraulic Ram | |
| 3,023,675 | Mar. 06, 1962 | H.N. Stephan | Horizontal boring, drilling and milling machine | milling machines |
| 3,039,441 | Jun. 19, 1962 | A.F. Hurlburt, J.G. Padelt | Photographic Camera | cameras |
