US Patent: 723,660 - Caloric-engine


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US Patent: 723,660

Caloric-engine

Patentee:

Henry Essex (exact or similar names) - Buffalo, NY

USPTO Classifications:

60/517

Tool Categories:

propulsion and energy : external combustion engines : hot air engines

Assignees:

None

Manufacturer:

Essex & Smith Co. - Buffalo, NY

Winfield H. Smith - Buffalo, NY

Witnesses:

W. J. Burns

E. M. Senftle

Patent Dates:
Applied:	Feb. 13, 1902
Granted:	Mar. 24, 1903

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Mr. Pete video series on Essex hot air engine
Vintage Machinery entry for Essex & Smith; Winfield H. Smith

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.