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US Patent: 80,143
Improvement in hydrants
Patentee:
Zebulon E. Coffin (exact or similar names) - Boston, MA

USPTO Classifications:
137/294, 137/305

Tool Categories:
water distribution systems : hydrants

Assignees:
Boston Machine Co. - Boston, MA

Manufacturer:
Boston Machine Co. - Boston, MA

Witnesses:
George W. Howard
Thomas Gaunt

Patent Dates:
Granted: Jul. 21, 1868

Patent Pictures:
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Vintage Machinery entry for Z. E. Coffin
Vintage Machinery entry for Boston Machine Co.
Description:
In 1879 the president of the Boston Machine Co. was William E. Coffin.

Birdsill Holly is often credited as the inventor of the modern fire hydrant (patent 94,749) but this earlier patent, to Zebulon Erastus Coffin, incorporates just about every feature of a modern hydrant.

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