for heating ( for purifying liquid fuel F02M37/30)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for heating

CPC: for heating ( for purifying liquid fuel F02M37/30)

Full Title

Full titles differ between systems:

IPC:

Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture > for heating

CPC:

Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture (carburettors with heating, cooling or thermal insulating means for combustion-air, fuel or fuel-air mixture F02M15/00; apparatus for de-liquefying non-liquid fuels by heating F02M21/06; apparatus having heating means for non-gaseous fuels with low melting point F02M21/10; apparatus characterised by adding hot secondary air to fuel-air mixture F02M23/14; fuel-injection apparatus characterised by having heating, cooling or thermally insulating means F02M53/00) > for heating ( for purifying liquid fuel F02M37/30)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F02M 31/04 combustion-air or fuel-air mixture (electrically F02M31/12; by using heat from working cylinders or cylinder heads F02M31/14; heating of combustion-air as an engine starting aid F02N7/04) +2 CPC IPC+CPC Available in IPC and CPC
F02M 31/12 electrically IPC+CPC Available in IPC and CPC
F02M 31/14 by using heat from working cylinders or cylinder heads +1 CPC IPC+CPC Available in IPC and CPC
F02M 31/16 Other apparatus for heating fuel +2 CPC IPC+CPC Available in IPC and CPC