F04B47/005 - CPC Classification Index

ClassID:

143105 ⎘

F04B47/005 - CPC Classification

Classification description:

Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps Sand trap arrangements

Recent Application in this class:

20260036009

2026-02-05

BOREHOLE SAND CATCHER

20250376918

2025-12-11

Downhole Pump Top Plunger Adapter with Improved Sand Handling Capability

20240175330

2024-05-30

BOREHOLE SAND CATCHER

20210164310

2021-06-03

Borehole sand catcher

20210131408

2021-05-06

DRAINAGE PUMP ASSEMBLY

20160237796

2016-08-18

Diversion plunger for reciprocating rod pump

20150275889

2015-10-01

Velocity pumping system

20150275869

2015-10-01

Pumping system with plunger having a shaped edge and coating

20140219828

2014-08-07

Cyclonic debris evacuation apparatus and method for a pump

#10

20110024370

2011-02-03

Cyclonic debris evacuation apparatus and method for a pump

#11

20100294731

2010-11-25

Cyclonic debris evacuation apparatus and method for a pump

#12

20050236156

2005-10-27

Pumping from two levels of a pool of production fluid, and one way valve therefore

#13

20050025645

2005-02-03

Debris evacuation apparatus and method for an oil pump

#14

20050025644

2005-02-03

Debris evacuation apparatus and method for an oil pump

#15

13832718

2016-05-17

Plunger adapter with sandwiper for downhole pump