04192286 is referenced by 5 patents and cites 11 patents.

A heat exchanger for use in a fireplace, or the like, and comprising an angularly disposed plate for supporting fuel for burning, a hot air chamber disposed beneath the plate and having a vent for inward passage of cool air and the exhaust of hot air into the area surrounding the fireplace, a blower mounted in the hot air chamber for facilitating the inward air draft and the venting of the hot air therefrom, and a vent in the proximity of the fuel for discharging air directly into the bottom of the fuel bed for facilitating the burning process.

Title
Heat exchanger
Application Number
5/864599
Publication Number
4192286
Application Date
December 27, 1977
Publication Date
March 11, 1980
Inventor
Garold L Wormington
600 S. Scenic, Springfield, 65802
MO, US
Agent
Head & Johnson
IPC
F24B 7/00
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