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| Patents for James Fitton | |||||
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| Number | Date | Patentee | Title | Type | |
| 453,980 | Jun. 09, 1891 | E.S. Matthews | Hydraulic valve-gear | ||
| 472,930 | Apr. 12, 1892 | E.S. Matthews | Controller for elevators | ||
| 476,289 | Jun. 07, 1892 | E.S. Matthews | Safety device for elevators | ||
| 519,639 | May 08, 1894 | E.S. Matthews | Hydraulic valve | ||