DIFF Subgroup
F04B 41/04 Conversion of internal-combustion engine cylinder units to pumps
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Pumping installations or systems specially adapted for elastic fluids > Conversion of internal-combustion engine cylinder units to pumps
CPC:
Pumping installations or systems specially adapted for elastic fluids (free-piston pumps specially adapted for elastic fluids or systems incorporating such pumps F04B31/00; piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for F04B35/00) > Conversion of internal-combustion engine cylinder units to pumps
No child classifications to compare. This is a leaf node in both IPC and CPC.