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| Patents for Norrish, Burnham & Co., Inc. | |||||
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| Number | Date | Patentee | Title | Type | |
| 274,884 | Mar. 27, 1883 | N.F. Burnham | Turbine Wheel | turbine water wheels | |
| 382,026 | May 01, 1888 | N.F. Burnham | Turbine Water Wheel | turbine water wheels | |
| 427,552 | May 13, 1890 | N.F. Burnham | Turbine Water-Wheel | turbine water wheels | |