DIFF Subgroup
F02K 9/46 using pumps
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using liquid or gaseous propellants > Feeding propellants > using pumps
CPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using liquid or gaseous propellants (F02K9/72 takes precedence) > Feeding propellants > using pumps
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- F02K 9/48 driven by a gas turbine fed by propellant combustion gases since 1980 IPC+CPC Available in IPC and CPC