F04D9/002 - CPC Classification Index

ClassID:

143969 ⎘

F04D9/002 - CPC Classification

Classification description:

Priming; Preventing vapour lock; Preventing vapour lock by means in the very pump

Sub-classes:

F04D9/003 » {separating and removing the vapour} 36

Recent Application in this class:

20240376896

2024-11-14

METHOD FOR PERFORMING PRIMING OF A SUBMERSIBLE PUMP

20200158114

2020-05-21

Gas-lock re-prime shaft passage in submersible well pump and method of re-priming the pump

20190048886

2019-02-14

ANTI-GAS LOCK ELECTRIC SUBMERSIBLE PUMP

20170343009

2017-11-30

PUMP

20170342985

2017-11-30

Pump

20170227015

2017-08-10

Centrifugal pumps having anti-air-locking features

20160084254

2016-03-24

Gas lock resolution during operation of an electric submersible pump

20150323205

2015-11-12

Refreshing device

20150247501

2015-09-03

ANTI-AIRLOCK VALVE ASSEMBLY

#10

20150071774

2015-03-12

Centrifugal pump

#11

20120207590

2012-08-16

Anti-airlock pump

#12

20100300119

2010-12-02

Pump for supplying cryogenic coolant

#13

20090269201

2009-10-29

Air diffuser system for industrial pumps

#14

20080253908

2008-10-16

Washer fluid pump

#15

20060147327

2006-07-06

Water-bearing domestic appliance comprising a drainage pump and corresponding drainage pump

#16

20050110655

2005-05-26

RF communication with downhole equipment