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| All Patents in class 454/67 | |||||
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| Number | Date | Patentee | Title | Type | |
| 254,582 | Mar. 07, 1882 | C. Abele | Coffee Roaster | coffee roasters | |
| 299,448 | May 27, 1884 | J.F. Winchell | Forge | forges | |
| 1,840,371 | Jan. 12, 1932 | E.H. Sheldon | Fume hood | ||
| 1,884,304 | Oct. 25, 1932 | E.H. Sheldon | Fume hood for laboratory tables | ||
| 3,564,990 | Feb. 23, 1971 | P. Smedes | Laboratory equipment having a collapsible canopy | ||