Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Heat circulating fireplace

Heat circulating fireplace

US Patent 4185612 · Granted Jan 29, 1980

Estimated economic value: $3,351,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

In-the-room fireplace system1999
Rolamite acceleration sensor1993
Self-contained sewage waste disposal system1986
Self-contained sewage waste disposal system1986
Chimney assembly1984
Self-contained sewage waste disposal system1983
Fireplace having outside air supply1981
Chimney top assembly1980