US PATENT SUBCLASS 60 / 723
.~.~ Having catalyst in combustion zone


Current as of: June, 1999
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60 /   HD   POWER PLANTS

39.01  DF  COMBUSTION PRODUCTS USED AS MOTIVE FLUID {31}
722  DF  .~ Combustion products generator {14}
723.~.~ Having catalyst in combustion zone


DEFINITION

Classification: 60/723

Having catalyst in combustion zone:

(under subclass 722) Device having a zone wherein fuel is burned and having a catalyst in said zone to directly affect the burning reaction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39.46, for dissociation of a fuel or oxidizer by use of a catalyst prior to a combustion reaction.

299+, for catalytic treatment of the exhaust gases from a reciprocating piston-type internal combustion engine.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, for catalytic apparatus for producing a chemical reaction in a gas for general utility.

431, Combustion,

7, for catalytic combustors of general utility.