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| All Patents in class 222/626 | |||||
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| Number | Date | Patentee | Title | Type | |
| 918,512 | Apr. 20, 1909 | H.M. Cramer | Sprayer | sprayers | |
| 1,658,217 | Feb. 07, 1928 | F.D. Winkley | Lubricating system | industrial machine lubrication | |
| 2,996,222 | Aug. 15, 1961 | L.A. Botkin | Airport hydrant system | ||
| 3,083,644 | Apr. 02, 1963 | L.A. Botkin | Axial flow booster pump | ||