Patents-Review.com
ClassID:

143994 ⎘

F04D13/022 - CPC Classification

Classification description:

Pumping installations or systems; Units comprising pumps and their driving means containing a coupling a coupling allowing slip, e.g. torque converter

Sub-classes:
Recent Application in this class:
#1
20250180039
2025-06-05

DEVICE FOR CHANGING A PUMP UNIT OF A CENTRIFUGAL PUMP AND CENTRIFUGAL PUMP

 #2
20240141900
2024-05-02

VERTICALLY SUSPENDED CENTRIFUGAL PUMP WITH INTEGRAL SPEED REDUCER

 #3
20230383632
2023-11-30

ONE WAY CLUTCH TRAIN FOR ARRESTING BACKSPIN

 #4
20230358247
2023-11-09

INTEGRATED BEARING SYSTEMS FOR DYNAMICALLY SUPPORTING SHAFTS IN PUMP SYSTEMS

 #5
20210324867
2021-10-21

Shear pin and drive shaft spring brake in electrical submersible pump

 #6
20210156384
2021-05-27

PRESSURE BOOSTER WITH INTEGRATED SPEED DRIVE

 #7
20200340480
2020-10-29

PROCESS FLUID LUBRICATED PUMP

 #8
20200182309
2020-06-11

Viscous coupling for a coolant pump

 #9
20200063863
2020-02-27

Variable pitch stator structure with all blades free to rotate and torque converter with variable pitch stator

 #10
20200003126
2020-01-02

Device for driving a fuel pump for a turbomachine

 #11
20190048945
2019-02-14

Viscous coupling for a coolant pump

 #12
20180258832
2018-09-13

MECHANICAL SWITCHABLE AUTOMOTIVE COOLANT PUMP

 #13
20180209253
2018-07-26

Omnirise hydromag “variable speed magnetic coupling system for subsea pumps”

 #14
20180149157
2018-05-31

Torque transfer system for centrifugal pumps

 #15
20160341203
2016-11-24

Control of clutched device using magnetic force from motor

 #16
20160333677
2016-11-17

Omnirise hydromag “variable speed magnetic coupling system for subsea pumps”

 #17
20160186670
2016-06-30

Fuel System

 #18
20150285137
2015-10-08

Device for driving an ancillary unit of an internal combustion engine

 #19
20150044074
2015-02-12

Fluid pump comprising a positive-locking clutch for a motor vehicle

 #20
20140322042
2014-10-30

Switchable automotive coolant pump

 #21
20140045599
2014-02-13

Mechanical protection device

 #22
20140017091
2014-01-16

Disengageable coolant pump for engine

 #23
20130171011
2013-07-04

Rotodynamic pump with permanent magnet coupling inside the impeller

 #24
20130022467
2013-01-24

ROTOR ASSEMBLY INCLUDING A BIASING MECHANISM

 #25
20130004346
2013-01-03

Helical driver to reduce stress in brittle bearing materials

 #26
20120308408
2012-12-06

SUBSEA COMPRESSION SYSTEM FOR WELL STREAM BOOSTING

 #27
20110135508
2011-06-09

Variable water pump control system and the control method thereof

 #28
20110123365
2011-05-26

COOLANT PUMP

 #29
20100303651
2010-12-02

Vacuum self priming pump

 #30
20100272504
2010-10-28

Pump apparatus, systems and methods

 #31
20100111723
2010-05-06

On-demand on-off water pump assembly

 #32
20100065260
2010-03-18

VIBRATION GENERATING AND COOLING APPARATUS

 #33
20080222799
2008-09-18

Pumped shower draining device

 #34
20080080987
2008-04-03

Limited free-motion pump impeller coupling device

 #35
20080058146
2008-03-06

System and method of controlling a pump system having a clutch and planetary gear assembly

 #36
20080056912
2008-03-06

Pump system and method using planetary gear assembly

 #37
20070110594
2007-05-17

Controllable drive for a motor vehicle, in particular for a coolant pump

 #38
20070110593
2007-05-17

Pump apparatus, systems and methods

 #39
20070022979
2007-02-01

Coolant pump for internal combustion engine

 #40
20050207915
2005-09-22

Motor vehicle drive arrangement

 #41
20050178635
2005-08-18

Device for driving a coolant pump

 #42
20050111992
2005-05-26

Centrifugal pump for electrical household appliance or the like