F04C2220/00 - CPC Classification Index

ClassID:

143771 ⎘

F04C2220/00 - CPC Classification

Classification description:

Application

Sub-classes:

F04C2220/10 » Vacuum 156
F04C2220/20 » Pumps with means for separating and evacuating the gaseous phase 18
F04C2220/22 » for very low temperatures, i.e. cryogenic 7
F04C2220/24 » for metering throughflow 52
F04C2220/26 » for step-by-step output movement 1
F04C2220/28 » for pulsed fluid flow 4
F04C2220/30 » Use in a chemical vapor deposition [CVD] process or in a similar process 28
F04C2220/40 » Pumps with means for venting areas other than the working chamber, e.g. bearings, gear chambers, shaft seals 11
F04C2220/50 » Pumps with means for introducing gas under pressure for ballasting 8

Recent Application in this class:

20250020124

COMPRESSOR AND REFRIGERATION DEVICE

20200096235

Screw compressor for HVAC

20180335127

Pump for Torque Transfer Device

20170021523

Oil delivery system for the lubrication of a chainsaw

20110073412

AXIAL FAN COMPACT BEARING VISCOUS PUMP