F04C18/50 - CPC Classification Index

ClassID:

143625 ⎘

F04C18/50 - CPC Classification

Classification description:

Rotary-piston pumps specially adapted for elastic fluids; Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees

Sub-classes:

F04C18/52 » of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing 51

Recent Application in this class:

20250012280

2025-01-09

SCREW COMPRESSOR AND REFRIGERATION APPARATUS

20240401594

2024-12-05

Screw compressor, and refrigeration apparatus

20220349404

2022-11-03

Screw compressor

20060265835

2006-11-30

ROTARY ENGINES

20050246859

2005-11-10

Rotary engines

20050241102

2005-11-03

Vacuum cleaners especially quiet vacuum cleaners, pumps, and engines