Patents-Review.com
ClassID:

144007 ⎘

F04D13/062 - CPC Classification

Classification description:

Pumping installations or systems; Units comprising pumps and their driving means the pump being electrically driven; Canned motor pumps pressure compensation between motor- and pump- compartment

Recent Application in this class:
#1
20250067267
2025-02-27

FLUID PRESSURE COMPENSATION APPARATUS

 #2
20230243354
2023-08-03

MODULAR COMPACT PUMP

 #3
20220316465
2022-10-06

Submersible pump with barrier fluid isolation of motor lubricating liquid from pumped product

 #4
20220313058
2022-10-06

Blade and pump impeller assembly for a dishwasher

 #5
20220252070
2022-08-11

SUBSEA ELECTRIC FLUID PROCESSING MACHINE

 #6
20210381350
2021-12-09

Data and power configuration for electrical submersible well pump

 #7
20210071510
2021-03-11

Inverted closed bellows with lubricated guide ring support

 #8
20210030254
2021-02-04

Blade and pump impeller assembly for a dishwasher

 #9
20200095992
2020-03-26

Isolated chamber for mechanical face seal leakage in submersible well pump assembly

 #10
20190226484
2019-07-25

Valve-less variable displacement pump

 #11
20190059686
2019-02-28

Blade and pump impeller assembly for a dishwasher

 #12
20180371852
2018-12-27

Volumetric compensator for electric submersible pump

 #13
20180231005
2018-08-16

Subsea barrier fluid system

 #14
20180172008
2018-06-21

Threaded connection for tandem motors of electrical submersible pump

 #15
20180149173
2018-05-31

ELECTRICAL SUBMERSIBLE MOTOR

 #16
20180106256
2018-04-19

Method of determining circulation state of cooling water

 #17
20170356449
2017-12-14

Hydraulic system

 #18
20170306733
2017-10-26

Fluid expansion chamber with protected bellow

 #19
20170152792
2017-06-01

Supercharging device for a combustion engine

 #20
20160333869
2016-11-17

Method of supplying fluid to a submersible pump

 #21
20160312591
2016-10-27

Flexible hose for bellows pressure equalizer of electrical submersible well pump

 #22
20160186759
2016-06-30

Sealed pump

 #23
20160032928
2016-02-04

Threaded connection for tandem motors of electrical submersible pump

 #24
20160017701
2016-01-21

Below motor equalizer of electrical submersible pump and method for connecting

 #25
20150354574
2015-12-10

SEALED PUMP

 #26
20150354327
2015-12-10

Oil pressure regulator for electrical submersible pump motor

 #27
20150337843
2015-11-26

Below motor equalizer of electrical submersible pump and method for filling

 #28
20150184675
2015-07-02

Threaded connection having different upper and lower threads for submersible well pump modules

 #29
20140147299
2014-05-29

Compensated barrier and lubrication fluids pressure regulation system for a subsea motor and pump module

 #30
20140105759
2014-04-17

Linear pump and motor systems and methods

 #31
20130315709
2013-11-28

Pump, separation device for a pump, and rotor shaft for a pump

 #32
20120187788
2012-07-26

Watertight apparatus for an underwater motor

 #33
20110123374
2011-05-26

Compensator assembly for submersible pump system

 #34
20110014071
2011-01-20

Protector for electrical submersible pumps

 #35
20100303639
2010-12-02

Method for operating a compressor device and associated compressor device

 #36
20100129237
2010-05-27

Fluid pump system

 #37
20070207046
2007-09-06

Protector for electrical submersible pumps

 #38
20050167096
2005-08-04

Protector for electrical submersible pumps