| All Patents in class 184/28 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 66,462 | Jul. 09, 1867 | F. Colligon | Improvement in steam-engine lubricators | steam engine lubricators |
| 80,457 | Jul. 28, 1868 | F. Colligon | Improvement lubricating-device | steam engine lubricators |
| 518,823 | Apr. 24, 1894 | R.W. McIntyre, G.A. Sprague | Lubricator | plane oilers |
| 908,274 | Dec. 29, 1908 | L. Kassander | Oil Pump Lubricator | oil pumps |
| 1,607,855 | Nov. 23, 1926 | F.D. Winkley | Lubricating apparatus | industrial machine lubrication |
| 2,012,724 | Aug. 27, 1935 | C.W. Manzel | Centralized Lubricating System | tool lubricators |
| 2,505,737 | Apr. 25, 1950 | W.G. Hoelscher | Lubrication of the Ways and Aprons of Lathes | metalworking machine lubrication |
| 6,520,292 | Feb. 18, 2003 | M.C. Negley, S.R. Kurtz | Apparatus for Packing Grease in Bearings | grease packers |
