Stoves and furnaces – Stoves – Cooking
Reexamination Certificate
2005-04-19
2005-04-19
Yeung, James C. (Department: 3749)
Stoves and furnaces
Stoves
Cooking
C126S02100R, C126S02100R, C099S467000, C099S474000
Reexamination Certificate
active
06880544
ABSTRACT:
A rack oven having an oven interior, an access door, a baking chamber, a passive steam generator, and a heat exchanger. The heat exchanger includes a chamber containing burners, an undivided exhaust collection plenum positioned above the burner chamber, and a plurality of straight heat exchange tubes extending upwardly between and communicating with the burner chamber and the collection plenum. A blower circulates air within the oven interior among the heat exchange tubes, the steam generator and the baking chamber, and the steam generator produces steam using the circulating air heated by the heat exchange tubes.
REFERENCES:
patent: 2852042 (1958-09-01), Lynn
patent: 5161517 (1992-11-01), Johansson
patent: 5394791 (1995-03-01), Vallee
patent: 5556566 (1996-09-01), Cappello et al.
patent: 5617839 (1997-04-01), Jennings et al.
patent: 5845631 (1998-12-01), Kleva et al.
Anderson Michael R.
Hegge Stephen B.
Miner Bradley J.
Roff Michael K.
Steely Christopher D.
Davis , Wright, Tremaine, LLP
Lang Manufacturing Company
Rondeau, Jr. George C.
Yeung James C.
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