US PATENT SUBCLASS 110 / 206
.~.~.~ Including pump

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


110 /   HD   FURNACES

203  DF  WITH EXHAUST GAS TREATMENT MEANS {5}
204  DF  .~ Recirculation means {1}
205  DF  .~.~ Air supply means {1}
206.~.~.~ Including pump {1}
207  DF  .~.~.~.~> Eductor

DEFINITION

Classification: 110/206

Including pump:

(under subclass 205) Apparatus provided with means for impelling the returned combustion products into the combustion chamber.