US Patent: 723,660
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| Caloric-engine
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Patentee:
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| Henry Essex (exact or similar names) - Buffalo, NY |
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Patent Dates:
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| Applied: |
Feb. 13, 1902 |
| Granted: |
Mar. 24, 1903 |
USPTO (New site tip)
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Jeff Joslin
Mr. Pete video series on Essex hot air engine
Vintage Machinery entry for Essex & Smith; Winfield H. Smith
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Description: |
| This hot air engine was manufactured by the inventor and Winfield H. Smith. It was intended for low-power applications where electricity was not readily available. A desk fan and a dynamic store display were solutions available from the manufacturers. |
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