F04D9/007 - CPC Classification Index

ClassID:

143974 ⎘

F04D9/007 - CPC Classification

Classification description:

Priming; Preventing vapour lock Preventing loss of prime, siphon breakers

Sub-classes:

F04D9/008 » {by means in the suction mouth, e.g. foot valves} 17

Recent Application in this class:

20190271318

2019-09-05

Centrifugal pump flow modifier

20190024491

2019-01-24

Apparatuses and systems for regulating flow from a geological formation, and related methods

20160084254

2016-03-24

Gas lock resolution during operation of an electric submersible pump

20140169940

2014-06-19

Self-priming centrifugal pump

20120080108

2012-04-05

Pumping device

20110229345

2011-09-22

Pumping system for pumping liquid from a lower level to an operatively higher level

20110085918

2011-04-14

Water-lifting pump apparatus and method of controlling operation thereof

20110030822

2011-02-10

Dry run porting system

20070122290

2007-05-31

Water-lifting pump apparatus and method for controlling operation thereof

#10

20070003406

2007-01-04

Pump

#11

20060182627

2006-08-17

Hydraulic submersible mud pump

#12

20050178526

2005-08-18

Liquid cooling system, and electronic apparatus having the same therein

#13

18499790

2024-10-01

Systems and methods for maintaining the prime of a pump