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| All Patents in class 184/43 | |||||
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| Number | Date | Patentee | Title | Type | |
| 410,406 | Sep. 03, 1889 | W.J. Faul | Lubricator for Loose Pulleys | grease cups | |
| 553,853 | Feb. 04, 1896 | E. Huber | Lubricator | industrial machine pulleys and belt drive mechanisms | |
| 558,528 | Apr. 21, 1896 | J.M. Shartle | Lubricator | lubricators | |