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| All Patents in class 254/317 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,061X | Aug. 27, 1835 | T. Odiorne | Pumps for ships | pumps | |
| 79,772 | Jul. 07, 1868 | W.M. Palmer | Windlass Water Elevator | elevators and lifts | |
| 626,933 | Jun. 13, 1899 | J. Reid | Apparatus for Drilling Wells | oilfield machinery | |
| 1,794,177 | Feb. 24, 1931 | C.T. Johnson | Apparatus for unloading cars | ||