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| All Patents in class 137/516.19 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 89,344 | Apr. 27, 1869 | A.K. Rider | Pump Valve | ||
| 215,800 | May 27, 1879 | G.H. Corliss | Pump-Valve | ||
| RE9,388 | Sep. 28, 1880 | A.K. Rider | Pump Valve | ||
| 1,856,617 | May 03, 1932 | W.E. Bebbington | Plate valve | ||