ClassID:

143478

F04C3/08 - CPC Classification

Classification description:

Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged otherwise than at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing

Sub-classes:
Recent Application in this class: