US PATENT SUBCLASS 431 / 268
.~ Catalytic


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

Internet Version by PATENTEC © 1999      Terms of Use



431 /   HD   COMBUSTION

267  DF  FRICTIONAL, CHEMICAL OR PERCUSSIVE TYPE IGNITER {3}
268.~ Catalytic


DEFINITION

Classification: 431/268

(under subclass 267) Apparatus in which the combustion initiating temperature is produced by the flow of an air and fuel mixture across a catalytic member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

147, for a burner having a catalytic flame holder or igniter and an extinguishing cover for stopping combustion.

326+, for a porous, capillary or particulate flame holder.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, 122, 139+, 171, 177+, 190, and 211 for apparatus for carrying out a chemical reaction in which a catalyst is used.

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making, for a composition comprising a catalyst, per se.