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| Patents for W. M. Christie | |||||
| Number | Date | Patentee | Title | Type | |
| 368,679 | Aug. 23, 1887 | J.A. Mumford | Steam-boiler | stationary boilers | |
| 417,071 | Dec. 10, 1889 | J.A. Mumford | Barrel-head-sawing machine | barrel making machines | |
| 431,704 | Jul. 08, 1890 | J.A. Mumford | Lubricator for steam-engines | steam engine lubricators | |
| 558,698 | Apr. 21, 1896 | J.A. Mumford | Steam-boiler | stationary boilers | |
| 598,292 | Feb. 01, 1898 | J.A. Mumford | Excavating or dredging bucket | dredges | |