June 7, 2026, Patent of the Day

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On June 7, 2005, David P. Coughlin received U.S. Patent No. 6,901,925 on a Fireplace with Waterfall:

While it is not clear whether Mr. Coughlin had any success before his patent expired, the idea of mixing fire and water is a popular one with inventors:

Fireplace with Water Fountain, U.S. Patent No. 5092312
Fire and Water Display with Integrated Safety Features,
U.S. Patent No. 9011142
Waterfall Device, U.S. Application 2007-0023032
Fire and Water Display Device, U.S. Application 20030201336