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| Patent CA22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 22 | Sep. 05, 1836 | u. unknown | Missing | stoves | |
| NS-22 | Nov. 20, 1855 | C. Chatfield | Improvements in manufacture of piano-fortes. 20th Nov. 1855 | music instrument maker | |
| NF-22 | Aug. 18, 1860 | C. Fox | Improvement in the manufacture of cod oil by extracting the stearine, and thus producing a new Materia Medica | ||
| CS-22 | Sep. 16, 1861 | I. Beirfield | Tanning | ||
| CA-22 | Aug. 25, 1869 | A. Fréchette | Improvements in the gig saw | scrollsaws | |