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| Patents for Hubert P. Richards | |||||
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| Number | Date | Patentee | Title | Type | |
| 150,356 | Apr. 28, 1874 | F.H. Richards | Traction-Engines | steam traction engines | |
| 813,586 | Feb. 27, 1906 | H.P. Richards | Ratchet mechanism for tools | ||
| 817,936 | Apr. 17, 1906 | H.P. Richards | Chuck | drill chucks | |
| 960,402 | Jun. 07, 1910 | H.P. Richards | Bit-Brace Chuck | brace chucks | |
| 1,026,367 | May 14, 1912 | H.P. Richards | Zigzag Rule Joint | folding rule joints | |