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| Patents for C. B. Richards | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,824 | Jun. 26, 1860 | L.A. Beardsley | Machine for removing bark from willows, &c. | debarking machines | |
| 37,980 | Mar. 24, 1863 | C.B. Richards | Steam Engine Indicator | steam engine indicators | |
| 46,152 | Jan. 31, 1865 | D. Slate | Improvement in turning-lathes | metal lathes | |
| 104,913 | Jun. 28, 1870 | J.A. Wilcox | Improvement In Pipe-Wrench | pipe wrenches | |