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| Patents for Knickerbocker Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 373,374 | Nov. 15, 1887 | O.M. Morse | Dust-collector | waste collection mechanisms | |
| 403,362 | May 14, 1889 | O.M. Morse | Dust-collector | waste collection mechanisms | |
| 450,372 | Apr. 14, 1891 | O.M. Morse | Dust-collector | waste collection mechanisms | |
| RE12,102 | Mar. 17, 1903 | O.M. Morse | Dust-collector | waste collection mechanisms | |