F04C2280/00 - CPC Classification Index

ClassID:

143929 ⎘

F04C2280/00 - CPC Classification

Classification description:

Arrangements for preventing or removing deposits or corrosion

Sub-classes:

F04C2280/02 » Preventing solid deposits in pumps, e.g. in vacuum pumps with chemical vapour deposition [CVD] processes 35
F04C2280/04 » Preventing corrosion 23

Recent Application in this class:

20250382954

FILTER DEVICE FOR AIR COMPRESSOR

20210108639

ROOTS ROTOR FOR REMOVING DUST COAGULUM AND DROPLETS

20200386226

Positive displacement pump with improved cleaning

20180066873

Compressor and refrigeration cycle apparatus

18747373

Filter device for air compressor