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| Patents for Charles A. Baldwin | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-25,771 | Jan. 17, 1887 | E. Smedley, T. Allen | Wood planer | wood planers | |
| CA-32,673 | Nov. 02, 1889 | E. Gurney, C. Levey, C.W. Peniston | Joint | water heaters | |
| 418,011 | Dec. 24, 1889 | E. Gurney, C. Levey, C.W. Peniston | Radiator | steam heating | |
| CA-35,992 | Feb. 16, 1891 | E. Gurney, C. Levey, C.W. Peniston | Radiator | radiators | |