| All Patents in class 184/50.1 |
Patents 31 -
45
of 49
      |
| Number | Date | Patentee | Title | Type |
| 611,759 | Oct. 04, 1898 | E. McCoy | Lubricator | steam engine lubricators |
| 629,895 | Aug. 01, 1899 | G.B. Essex | Lubricator | steam engine lubricators |
| 636,532 | Nov. 07, 1899 | R. Ruddy, J. Desmon, L. Kaczander | Lubricator | steam engine lubricators |
| 645,026 | Mar. 06, 1900 | H. Woods | Lubricator | steam engine lubricators |
| 645,479 | Mar. 13, 1900 | E.H. Lunken | Lubricator | tool lubricators |
| 646,126 | Mar. 27, 1900 | E. McCoy | Lubricator | steam engine lubricators |
| 663,976 | Dec. 18, 1900 | E. McCoy | Lubricator | steam engine lubricators |
| 783,718 | Feb. 28, 1905 | G.M. Wolcott, R. Davidson, W.E. Bryant | Sight Feed Lubricator | industrial machine lubrication |
| 814,016 | Mar. 06, 1906 | R. Davidson, G.M. Wolcott, W.E. Bryant | Lubricator | steam locomotives |
| 844,281 | Feb. 12, 1907 | L. Kaczander | Lubricator | steam engine lubricators |
| 890,787 | Jun. 16, 1908 | E. McCoy | Lubricator | steam engine lubricators |
| 897,599 | Sep. 01, 1908 | R. Davidson | Lubricator | steam engine lubricators |
| 997,400 | Jul. 11, 1911 | E. McCoy | Lubricator | steam engine lubricators |
| 1,022,741 | Apr. 09, 1912 | O. Best, L. Kassander | Lubricator | steam engine lubricators |
| 1,022,952 | Apr. 09, 1912 | O. Best, L. Kassander | Lubricator | steam engine lubricators |
