DIFF Subgroup
F01M 5/04 Diluting, e.g. with fuel
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting > Conditioning lubricant for aiding engine starting, e.g. heating > Diluting, e.g. with fuel
CPC:
Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P11/08); Lubrication means facilitating engine starting > Conditioning lubricant for aiding engine starting, e.g. heating > Diluting, e.g. with fuel
No child classifications to compare. This is a leaf node in both IPC and CPC.