| All Patents in class 184/50.1 | 
| Patents 1 - 
					15
					of 54 
       | 
| Number | Date | Patentee | Title | Type | 
| 9,601 | Mar. 01, 1853 | J. Simmons | Machine for making axes | tool making machines | 
| 111,881 | Feb. 14, 1871 | N. Seibert | Improvement in lubricators | steam engine lubricators | 
| 138,243 | Apr. 29, 1873 | J. Gates | Improvement in lubricators | lubricators | 
| 189,875 | Apr. 24, 1877 | W.R. Petrie | Lubricator for Steam Engine | tool lubricators | 
| 214,589 | Apr. 22, 1879 | N. Seibert | Improvement in feed-indicators for oil-cups | oil cups | 
| 237,716 | Feb. 15, 1881 | J. Absterdam | Apparatus for oiling and lubricating the bearings and cylinders of steam-engines | steam engine lubricators | 
| 243,900 | Jul. 05, 1881 | T. Holland | Lubricator | steam engine lubricators | 
| 255,353 | Mar. 21, 1882 | A.W. Swift | Lubricator | steam engine lubricators | 
| 262,774 | Aug. 15, 1882 | T. Holland | Drill chuck | industrial machine lubrication | 
| 265,180 | Sep. 26, 1882 | A.W. Swift | Lubricator | steam engine lubricators | 
| 266,058 | Oct. 17, 1882 | C.W. Sherburne | Lubricator | lubricators | 
| 282,931 | Aug. 07, 1883 | J.W. See | Scale for Steam Engine Indicators | steam engine indicators | 
| 284,340 | Sep. 04, 1883 | A.W. Swift | Lubricator | steam engine lubricators | 
| 308,258 | Nov. 18, 1884 | C.B. Hodges, E. McCoy | Lubricator | steam engine lubricators | 
| 315,550 | Apr. 14, 1885 | F.J. Renchard | Lubricator | oil cups |