ClassID:

144099

F04D25/022 - CPC Classification

Classification description:

Pumping installations or systems; Units comprising pumps and their driving means comprising a yielding coupling, e.g. hydraulic

Recent Application in this class:
#1
20250198465
2025-06-19

TAPERED ADAPTER FOR ROTATABLE ASSEMBLY AND ASSOCIATED METHOD

#2
20240025230
2024-01-25

COOLING FAN DEVICE

#3
20210332825
2021-10-28

Controller of fan coupling device

#4
20210156384
2021-05-27

PRESSURE BOOSTER WITH INTEGRATED SPEED DRIVE

#5
20200173340
2020-06-04

System and method for a variable speed cooling fan on a skid mounted compressor

#6
20190383295
2019-12-19

Box fan apparatus with multi-adaptive suspension

#7
20190301493
2019-10-03

Fan systems including brushes and bristles for self-cleaning

#8
20190257373
2019-08-22

Fan-coupling device with unitary magnetic pole construction

#9
20190128269
2019-05-02

Automatic control systems for frost fans

#10
20180371981
2018-12-27

System and method involving a variable speed cooling fan used with a compressor and an internal combustion engine

#11
20180209253
2018-07-26

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

#12
20180045253
2018-02-15

Fan, motor driving assembly and load connecting mechanism thereof

#13
20170350459
2017-12-07

Clutch mechanism and method for controlling fan speed

#14
20170342988
2017-11-30

A Fan Drive Assembly

#15
20170063195
2017-03-02

FLUID DRIVING DEVICE AND MOTOR ASSEMBLY THEREOF

#16
20170058972
2017-03-02

Fluid driving device, motor assembly and centrifugal friction clutch thereof

#17
20160333677
2016-11-17

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

#18
20160245088
2016-08-25

TURBO ENGINE WITH TORSIONAL COUPLING INTEGRATED TO AT LEAST ONE DRIVING OR DRIVEN SHAFT DRIVING

#19
20150159525
2015-06-11

Lubrication system for vehicle engine

#20
20150118025
2015-04-30

Motorcycle supercharger

#21
20150114791
2015-04-30

Fan clutch

#22
20150114364
2015-04-30

Supercharger mounting structure for engine

#23
20150071764
2015-03-12

Turbocompound Bearing for Attaching a Turbocompound System to an Internal Combustion Engine

#24
20150023785
2015-01-22

Coupling for directly driven compressor

#25
20140241906
2014-08-28

Auxiliary power units (APUs) and methods and systems for activation and deactivation of a load compressor therein

#26
20140216881
2014-08-07

Clutch arrangement and actuation method

#27
20130149115
2013-06-13

Recirculation fan and wind-guiding device thereof

#28
20130149104
2013-06-13

Recirculation fan and fan assembly thereof

#29
20130101388
2013-04-25

Compression device and method for cooling a compression medium

#30
20130008144
2013-01-10

Efficient, low pressure ratio propulsor for gas turbine engines

#31
20130000998
2013-01-03

Viscous Fan Drive for an Engine Cooling System

#32
20120201698
2012-08-09

Variable speed compressor

#33
20120164002
2012-06-28

Viscous two-speed clutch

#34
20120100017
2012-04-26

Centrifugal compressor unit

#35
20110168512
2011-07-14

Electronically controlled viscous fan drive with bushing

#36
20110011663
2011-01-20

Compressor and method for controlling a compressor for the compressed air supply of a commercial vehicle

#37
20110011356
2011-01-20

Fan Drive Controlling Device and Construction Machine

#38
20100163362
2010-07-01

Fan drive

#39
20100143169
2010-06-10

Cooling Fan With One-Way Clutch Bearing

#40
20100127572
2010-05-27

Utility-interactive inverter system architecture and method of operation thereof

#41
20100117464
2010-05-13

Electric motor starting device

#42
20100034677
2010-02-11

Dual-powered airflow generator

#43
20090314003
2009-12-24

Gas turbine with at least one multi-stage compressor unit including several compressor modules

#44
20090064946
2009-03-12

Fan drive device

#45
20090054191
2009-02-26

Dual end gear fluid drive starter

#46
20070201988
2007-08-30

Vacuum pump

#47
20070092370
2007-04-26

Centrifugal fan clutch for an electronics cooling fan

#48
20060244263
2006-11-02

Electric motor starting device

#49
20060239827
2006-10-26

Torque drive mechanism for gas compressor

#50
20050189194
2005-09-01

Fluid friction clutch for a motor vehicle fan

#51
20050091978
2005-05-05

Variable exhaust-gas turbocharger with an auxiliary drive for an internal combustion engine

#52
18656599
2025-02-11

Rotor assembly and fluid transmission device having the same

#53
17814079
2023-04-04

Viscous coupling