ClassID:

144098

F04D25/02 - CPC Classification

Classification description:

Pumping installations or systems Units comprising pumps and their driving means

Sub-classes:
Recent Application in this class:
#1
20260002476
2026-01-01

AIRCRAFT ENGINE

#2
20250305728
2025-10-02

REFRIGERATION HEAT PUMP UNIT

#3
20250296495
2025-09-25

DISCHARGE SYSTEM FOR DRY BULK AND LIQUID TANK TRAILERS

#4
20250189183
2025-06-12

TURBO CHILLER

#5
20250172154
2025-05-29

INTEGRATED INFLATING AND DEFLATING PUMP

#6
20250163854
2025-05-22

AIRCRAFT ENGINE

#7
20250099741
2025-03-27

PURGING A BEARING INTERFACE

#8
20250099740
2025-03-27

PUMP HEAD DELIVERY

#9
20250090834
2025-03-20

IMPELLER

#10
20250090833
2025-03-20

BLOOD PUMP

#11
20250084854
2025-03-13

FAN ASSEMBLY

#12
20250084853
2025-03-13

Fan assembly

#13
20250035125
2025-01-30

FAN ASSEMBLY

#14
20250012285
2025-01-09

Fan Device For Engine Loading

#15
20250002160
2025-01-02

AIRCRAFT COMPRISING A CABIN BLOWER SYSTEM

#16
20250000376
2025-01-02

VENTRICULAR ASSIST DEVICE

#17
20240337264
2024-10-10

ARRANGEMENT FOR PRESSURIZING OF FLUID

#18
20240280112
2024-08-22

GEARED TURBOMACHINE

#19
20240280108
2024-08-22

IMPELLER DRIVING DEVICE FOR COOLING PUMP OF ELECTRIC OUTBOARD DEVICE

#20
20240247664
2024-07-25

AIR PUMP COVER AND AIR PUMP

#21
20240209862
2024-06-27

Centrifugal compressor with reverse overhung volute

#22
20240194922
2024-06-13

HYDROGEN PUMP FOR A REDOX FLOW BATTERY

#23
20240090780
2024-03-21

IMPELLER FRAME

#24
20240084807
2024-03-14

Centrifugal blower

#25
20240026893
2024-01-25

SEALING GAS LEAKAGE RECOVERY AND SEALING GAS BOOSTING SYSTEM AND METHOD

#26
20230400032
2023-12-14

Energy-saving device for rapidly and infinitely compressing air

#27
20230358247
2023-11-09

INTEGRATED BEARING SYSTEMS FOR DYNAMICALLY SUPPORTING SHAFTS IN PUMP SYSTEMS

#28
20230358241
2023-11-09

SYSTEMS AND METHODS FOR DRIVE COUPLINGS FOR COMPRESSORS

#29
20230296108
2023-09-21

Rotary machine with compressor impeller

#30
20230287900
2023-09-14

DUCT FAN IN THE FORM OF A CENTRIFUGAL FAN

#31
20230279814
2023-09-07

AIRCRAFT ENGINE

#32
20230258192
2023-08-17

COMPRESSOR ARRANGEMENT FOR A GAS TURBINE ENGINE

#33
20230235740
2023-07-27

Arrangement for pressurizing of fluid

#34
20230160399
2023-05-25

Ceiling fan with mounting plate

#35
20230137972
2023-05-04

Centrifugal compressor with reverse overhung volute

#36
20230028763
2023-01-26

Compressor arrangement for a gas turbine engine

#37
20230011552
2023-01-12

Fan device for engine loading

#38
20230011178
2023-01-12

Portable grain conditioners

#39
20220325721
2022-10-13

Propeller fan, air-sending device, and refrigeration cycle device

#40
20220228593
2022-07-21

Axial and downstream compressor assembly

#41
20220196026
2022-06-23

AIR COMPRESSOR AND BLOWER

#42
20220196022
2022-06-23

Fan aspirator

#43
20220170475
2022-06-02

HERMETIC COMPRESSOR

#44
20220154722
2022-05-19

FAN APPARATUS

#45
20220136744
2022-05-05

TURBO CHILLER

#46
20220099097
2022-03-31

Pumping device for vehicle seat

#47
20220088368
2022-03-24

BLOOD-PRESSURE-MEASUREMENT ELEMENT

#48
20220074418
2022-03-10

Motor-driven compressor having a compression section mounted on a free end of a cantilvered shaft

#49
20220049718
2022-02-17

Ceiling fan

#50
20220042520
2022-02-10

Ceiling fan and fan set

#51
20210381441
2021-12-09

Aircraft gas turbine engine with improved response to rotor unbalance

#52
20210381430
2021-12-09

Aircraft engine

#53
20210348615
2021-11-11

Turbo compressor and turbo chiller including the same

#54
20210323688
2021-10-21

Motor-integrated fan, and vertical takeoff and landing craft

#55
20210231129
2021-07-29

Ceiling fan with mounting plate

#56
20210189932
2021-06-24

Centrifugal oil mist separator

#57
20210178147
2021-06-17

Impeller for blood pump

#58
20210178146
2021-06-17

Drive cable for blood pump

#59
20210114673
2021-04-22

Debris management vehicle

#60
20210077676
2021-03-18

Ventricular assist device

#61
20210069395
2021-03-11

Ventricular assist device

#62
20210069394
2021-03-11

Ventricular assist device

#63
20210038792
2021-02-11

Impeller and frame for blood pump

#64
20210038791
2021-02-11

Axially-elongatable frame and impeller

#65
20210038790
2021-02-11

Distal tip element for blood pump

#66
20210023288
2021-01-28

Tube for ventricular assist device

#67
20210023287
2021-01-28

Sensor for blood pump

#68
20210023286
2021-01-28

Blood pump catheter with dual-function continuous lumen

#69
20200400153
2020-12-24

Thermal module

#70
20200340554
2020-10-29

Drive belt tensioner systems and methods

#71
20200340553
2020-10-29

Drive belt tensioner systems and methods

#72
20200325906
2020-10-15

Rotary machine with improved shaft

#73
20200309138
2020-10-01

Fan having first body and second body slidable relative to each other

#74
20200271211
2020-08-27

Phase adjustment system for geared compressor, phase adjustment jig for geared compressor, and method for adjusting phase of geared compressor

#75
20200208644
2020-07-02

Centrifugal compressor

#76
20200173340
2020-06-04

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

#77
20200166048
2020-05-28

Propeller fan, air-sending device, and refrigeration cycle device

#78
20200141423
2020-05-07

Hybrid after cooling system and method of operation

#79
20200141417
2020-05-07

BOOSTER COMPRESSOR WITH SPEED CHANGE SYSTEM

#80
20200072230
2020-03-05

Integrally geared compressor having a combination of centrifugal and positive displacement compression stages

#81
20200032783
2020-01-30

Positive displacement pump with shaft-mounted sleeve

#82
20200018317
2020-01-16

Arrangement for pressurizing of fluid

#83
20190345955
2019-11-14

IMPELLER PUMP

#84
20190331106
2019-10-31

Compressor module

#85
20190293075
2019-09-26

Fan apparatus

#86
20190277301
2019-09-12

Centrifugal compressor and method for manufacturing centrifugal compressor

#87
20190209758
2019-07-11

Impeller for blood pump

#88
20190209757
2019-07-11

Blood-pressure-measurement tube

#89
20190209756
2019-07-11

Drive cable for use with a blood pump

#90
20190209753
2019-07-11

Ventricular assist device

#91
20190209751
2019-07-11

Ventricular assist device

#92
20190162202
2019-05-30

Compressor module

#93
20190145419
2019-05-16

Controlling a wet gas compression system

#94
20190104639
2019-04-04

COOLING MODULE WITH MULTIPLE PARALLEL BLOWERS

#95
20190085861
2019-03-21

Handheld work apparatus

#96
20190063444
2019-02-28

Axleless fan device

#97
20190044412
2019-02-07

Modular power system with mechanical cooling

#98
20190032556
2019-01-31

Turbocharged dual-fuel engine

#99
20190017436
2019-01-17

Clutched compressor section for gas turbine engine

#100
20180371981
2018-12-27

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

#101
20180368280
2018-12-20

Industrial fan assembly

#102
20180363671
2018-12-20

Forward curved blade impeller for an industrial fan assembly

#103
20180335053
2018-11-22

Tension support system for motorized fan

#104
20180327987
2018-11-15

Debris blower system

#105
20180320543
2018-11-08

Power transmission system for turbine, a turbocharger, a compressor, or a pump

#106
20180283387
2018-10-04

Centrifugal compressor

#107
20180245599
2018-08-30

Compressor device

#108
20180209427
2018-07-26

LNG PLANT INCLUDING AN AXIAL COMPRESSOR AND A CENTRIFUGAL COMPRESSOR

#109
20180202456
2018-07-19

Blower

#110
20180172014
2018-06-21

Windmill ceiling fan

#111
20180170146
2018-06-21

HVAC SYSTEM

#112
20180135655
2018-05-17

Adjustable fan damping apparatus for exerciser

#113
20180119709
2018-05-03

Fan unit fixing structure and electronic equipment

#114
20180106269
2018-04-19

Fan housing having a heating band channel

#115
20180080451
2018-03-22

Ventilation apparatus with counter-rotating impellers driven by long shaft

#116
20180079510
2018-03-22

Control system for a cabin blower system

#117
20180051716
2018-02-22

Thermal management system for an electric propulsion engine

#118
20180051668
2018-02-22

System for converting acceleration to rotational energy

#119
20180002037
2018-01-04

INTEGRATED MOBILE GROUND SUPPORT SYSTEM FOR SERVICING AIRCRAFT

#120
20170356451
2017-12-14

COPMPRESSION UNIT FOR HIGH AND LOW PRESSURE SERVICES

#121
20170350459
2017-12-07

Clutch mechanism and method for controlling fan speed

#122
20170343004
2017-11-30

Trimable impeller device and system

#123
20170306975
2017-10-26

Integral fan and airflow guide

#124
20170306971
2017-10-26

IMPELLER, CENTRIFUGAL FLUID MACHINE, AND FLUID DEVICE

#125
20170305518
2017-10-26

Outboard motor, comprising an internal combustion engine

#126
20170276215
2017-09-28

Transmission and transmission turbomachine

#127
20170276142
2017-09-28

Clearance reducing system, appratus and method

#128
20170268534
2017-09-21

Aligning a centerline of a motor shaft in a fan assembly

#129
20170248137
2017-08-31

System and method for emissions testing a compressor, turbine, or engine

#130
20170239603
2017-08-24

Ash-collecting and exhaust device for grain dryer

#131
20170234315
2017-08-17

Gas turbine blower/pump

#132
20170211593
2017-07-27

Press on heat/splash and engine cooling fan assembly having same

#133
20170201156
2017-07-13

Variable power transmission device

#134
20170198720
2017-07-13

Centrifugal compressor with liquid injection

#135
20170198707
2017-07-13

Centrifugal compressor with hot gas injection

#136
20170184117
2017-06-29

Centrifugal blower

#137
20170174274
2017-06-22

Power equipment device with removable attachments

#138
20170167383
2017-06-15

Gearbox oil cooling assembly

#139
20170146271
2017-05-25

TURBO CHILLER

#140
20170146029
2017-05-25

Multistage centrifugal pump

#141
20170138373
2017-05-18

Tool and method for removing fan blades

#142
20170108012
2017-04-20

Fan and method of manufacturing a fan

#143
20170089595
2017-03-30

Air purifier and blower device thereof

#144
20170089356
2017-03-30

Centrifugal fan

#145
20170074273
2017-03-16

Blower comprising a pressure measuring connector

#146
20170051732
2017-02-23

Pump system and method of starting pump

#147
20170045134
2017-02-16

Continuously variable transmission cooling fan

#148
20170042403
2017-02-16

Macerator assembly for appliances

#149
20170030376
2017-02-02

Alignment tool for installing a diffuser in an air cycle machine

#150
20170030368
2017-02-02

MONOBLOCK AXIAL PUMP

#151
20170002907
2017-01-05

Drive assembly provided with a continuously variable transmission and a direction reversing mechanism

#152
20160369807
2016-12-22

KINETIC ENERGY RECOVERY SYSTEM

#153
20160369806
2016-12-22

VEHICLE

#154
20160348663
2016-12-01

MICRO COMPRESSOR

#155
20160341215
2016-11-24

Compressor tip injector

#156
20160319827
2016-11-03

Method for preventing a fan from burning down at activation

#157
20160309616
2016-10-20

COOLING MODULE WITH MULTIPLE PARALLEL BLOWERS

#158
20160305331
2016-10-20

TURBOMACHINE ACCESSORY GEARBOX EQUIPPED WITH A CENTRIFUGAL PUMP

#159
20160298636
2016-10-13

Fan assembly and air conditioner having the same

#160
20160298552
2016-10-13

Portable working machine

#161
20160298551
2016-10-13

Portable working machine

#162
20160290640
2016-10-06

Constant Efficiency Controller

#163
20160290352
2016-10-06

IMPELLER AND BLOWER

#164
20160281744
2016-09-29

Blower provided with structure suppressing damage to shaft seal

#165
20160281724
2016-09-29

Controlling a wet gas compression system

#166
20160273553
2016-09-22

Centrifugal compressor and water chilling unit having the same

#167
20160265545
2016-09-15

Expander-integrated compressor, refrigerator and operating method for refrigerator

#168
20160251999
2016-09-01

FAN DRIVE ASSEMBLY

#169
20160245293
2016-08-25

Axial ventilation device, premises equipped with such a device

#170
20160245291
2016-08-25

SELF-PRIMING CENTRIFUGAL PUMP

#171
20160186775
2016-06-30

CENTRIFUGAL BLOWER

#172
20160186756
2016-06-30

Compressor system with variable blowdown control

#173
20160177970
2016-06-23

Blower

#174
20160177961
2016-06-23

Turbo machine

#175
20160169236
2016-06-16

Turbo compressor and turbo refrigerator

#176
20160169233
2016-06-16

Centrifugal compressor

#177
20160153470
2016-06-02

AERIAL CENTRIFUGAL IMPELLER

#178
20160138603
2016-05-19

Split axial-centrifugal compressor

#179
20160123223
2016-05-05

Speed reduced driven turbocharger

#180
20160115963
2016-04-28

Transmission and geared compressor system

#181
20160115824
2016-04-28

Rotary system

#182
20160108929
2016-04-21

AIR-GUIDING COVER AND FAN HAVING THE SAME

#183
20160102681
2016-04-14

FAN ASSEMBLY FOR VEHICLES

#184
20160102673
2016-04-14

Method and system of compressing gas with flow restrictions

#185
20160090993
2016-03-31

Centrifugal air blower

#186
20160090869
2016-03-31

Method of installing a diffuser in an air cycle machine

#187
20160084268
2016-03-24

System and methods for reducing noise in an air moving system

#188
20160044867
2016-02-18

BLOWER ATTACHMENT FOR A LAWNMOWER

#189
20160025102
2016-01-28

A VARIABLE PITCH FAN AND A METHOD FOR VARYING THE BLADE PITCH IN A FAN

#190
20160017791
2016-01-21

Centrifugal compressor

#191
20160010656
2016-01-14

Fan, molding die, and fluid feeder

#192
20160003256
2016-01-07

Fan, molding die, and fluid feeder

#193
20160003255
2016-01-07

FLUID PROCESSING SYSTEM, AN ENERGY-DISSIPATING DEVICE, AND AN ASSOCIATED METHOD THEREOF

#194
20150377253
2015-12-31

POWER-OPERATED AIR BLOWING WORK APPARATUS

#195
20150354599
2015-12-10

Compressor unit with a variable aerodynamic profile

#196
20150345513
2015-12-03

Propeller fan, air blower, outdoor unit

#197
20150345508
2015-12-03

ENHANCED AXIAL AIR MOVER SYSTEM WITH ALIGNMENT

#198
20150345507
2015-12-03

Compressor and turbo chiller

#199
20150330409
2015-11-19

Air compressor system

#200
20150322965
2015-11-12

Centrifugal compressor

#201
20150322964
2015-11-12

Diffuser

#202
20150322963
2015-11-12

Casing and blower

#203
20150322957
2015-11-12

COMBINED RADIAL AND THRUST BEARING AND WET ROTOR PUMP

#204
20150308468
2015-10-29

Valve for the temperature-dependent control of at least one hydraulic load

#205
20150292346
2015-10-15

Process gas compressor/gas turbine section

#206
20150267706
2015-09-24

Method and system for tuning a turbine using a secondary injection valve

#207
20150240821
2015-08-27

Motor-Powered Fan Drives For Vehicles Of All Types

#208
20150204345
2015-07-23

PROPELLER FAN

#209
20150167689
2015-06-18

Turbo compressor and turbo refrigerator

#210
20150159668
2015-06-11

Turbo compressor and turbo refrigerator

#211
20150159525
2015-06-11

Lubrication system for vehicle engine

#212
20150118026
2015-04-30

Engine with supercharger

#213
20150118025
2015-04-30

Motorcycle supercharger

#214
20150114791
2015-04-30

Fan clutch

#215
20150114365
2015-04-30

Engine with supercharger

#216
20150114364
2015-04-30

Supercharger mounting structure for engine

#217
20150086394
2015-03-26

Turbo-compressor and refrigeration cycle apparatus with heated guide vanes

#218
20150050124
2015-02-19

Device for pumping a fluid at low flows

#219
20150044069
2015-02-12

MECHANICAL COMBUSTION-ENGINE-DRIVEN FLUID PUMP

#220
20150030475
2015-01-29

Vacuum pump

#221
20140348671
2014-11-27

Air compressor provided with belt guard

#222
20140341759
2014-11-20

MOTORIZED BLOWER ASSEMBLIES, AND METHODS OF MAKING SAME

#223
20140294582
2014-10-02

Rotary machine, blade wheel used in rotary machine, and blade wheel manufacturing method

#224
20140271256
2014-09-18

ROVING SUBMERSIBLE PUMP

#225
20140255213
2014-09-11

Power supply circuit

#226
20140255212
2014-09-11

Construction machine including hydraulic pump

#227
20140241906
2014-08-28

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

#228
20140234136
2014-08-21

Motor compressor unit with removable cartridge

#229
20140187136
2014-07-03

Exhaust fan assembly

#230
20140102831
2014-04-17

Turbo compressor

#231
20130336769
2013-12-19

Fan assembly and gap tool

#232
20130315707
2013-11-28

Stepped parting joint on a transmission housing of a fluid machine

#233
20130219893
2013-08-29

Centrifugal compressor

#234
20130195625
2013-08-01

Integral scroll and gearbox for a compressor with speed change option

#235
20130195603
2013-08-01

Turbomachine fan clutch

#236
20130183144
2013-07-18

Bearing housing of an exhaust-gas turbocharger

#237
20130133332
2013-05-30

Systems and methods for changing a speed of a compressor boost stage in a gas turbine

#238
20130121846
2013-05-16

Advanced topologies for offshore power systems

#239
20130101388
2013-04-25

Compression device and method for cooling a compression medium

#240
20130061419
2013-03-14

PROPANE VACUUM

#241
20130058761
2013-03-07

Multi-stage integrally geared compressor

#242
20130039746
2013-02-14

Turbocompressor and turborefrigerator for simplified labor and reduced cost

#243
20130025308
2013-01-31

APPARATUS AND METHOD FOR DEFROSTING COMPONENTS IN A TRANSPORT REFRIGERATION UNIT

#244
20130004329
2013-01-03

Fan, molding die, and fluid feeder

#245
20120308377
2012-12-06

ENHANCED AXIAL AIR MOVER SYSTEM WITH ALIGNMENT

#246
20120275901
2012-11-01

Fan assembly for vehicles

#247
20120255714
2012-10-11

Hybrid fan drive with electric motor

#248
20120252620
2012-10-04

Drive arrangement for a vehicle accessory

#249
20120222233
2012-09-06

Propane Vacuum

#250
20120134857
2012-05-31

SYNCHRONOUS AIR BLOWER HAVING A PERMANENT MAGNET MOTOR AND A HVAC SYSTEM EMPLOYING THE SAME

#251
20120131950
2012-05-31

Arrangement for liquefying natural gas and method for starting said arrangement

#252
20120107099
2012-05-03

TURBO BLOWER AND HIGH SPEED ROTATING BODY USED IN SAME

#253
20120100017
2012-04-26

Centrifugal compressor unit

#254
20120002909
2012-01-05

Transmission, particularly compressor wheel gear and methods to improve the starting behavior of such

#255
20110308777
2011-12-22

Cooling Module with Multiple Parallel Blowers

#256
20110239699
2011-10-06

Turbocompressor train and method for operation thereof and natural gas liquefaction plant having the turbocompressor train

#257
20110219812
2011-09-15

TURBO COMPRESSOR AND TURBO REFRIGERATOR

#258
20110219809
2011-09-15

TURBO COMPRESSOR AND TURBO REFRIGERATOR

#259
20110150678
2011-06-23

ENHANCED AXIAL AIR MOVER SYSTEM WITH ALIGNMENT

#260
20110074158
2011-03-31

Turbo-machine having at least two counter-rotatable rotors and having mechanical torque compensation

#261
20110052111
2011-03-03

MODULAR ROTOR ASSEMBLY

#262
20110046582
2011-02-24

Retrofit kit and method of retrofitting a plumbed emergency eyewash station

#263
20110038737
2011-02-17

MULTI-STAGE COMPRESSOR

#264
20110016914
2011-01-27

Turbo compressor and refrigerator

#265
20110016913
2011-01-27

Turbo compressor and refrigerator

#266
20100329854
2010-12-30

Supercharger

#267
20100291849
2010-11-18

Exhaust fan assembly

#268
20100223903
2010-09-09

Variable pressure ratio compressor

#269
20100215512
2010-08-26

METHOD FOR OPERATING A COMPRESSOR ARRANGEMENT, AND A COMPRESSOR ARRANGEMENT

#270
20100196141
2010-08-05

FUEL CELL COMPRESSOR SYSTEM

#271
20100192927
2010-08-05

Method and apparatus for controlling a compound bearing assembly of a centrifugal compressor

#272
20100186688
2010-07-29

Engine blower

#273
20100150722
2010-06-17

Fixture Device of Blade and Blade Frame of a Ceiling Fan

#274
20100135771
2010-06-03

CENTRIFUGAL COMPRESSOR WITH IMPROVED LUBRICATION SYSTEM FOR GEAR-TYPE TRANSMISSION

#275
20100116470
2010-05-13

Screw-driven fan device

#276
20100108302
2010-05-06

Heat dissipating module

#277
20100098534
2010-04-22

Integral scroll and gearbox for a compressor with speed change option

#278
20100074768
2010-03-25

Access cover for pressurized connector spool

#279
20100044468
2010-02-25

DEVICE FOR DISTRIBUTING VOLATILE FLUIDS IN AIR

#280
20100018826
2010-01-28

Fan clutch

#281
20090324430
2009-12-31

Modular compressor unit

#282
20090297337
2009-12-03

Geared turbine machine for a machine train, machine train with and gear for geared turbine machine

#283
20090290999
2009-11-26

Engine blower

#284
20090260367
2009-10-22

Multi-compressor string with multiple variable speed fluid drives

#285
20090226309
2009-09-10

ENHANCED AXIAL AIR MOVER SYSTEM WITH ALIGNMENT

#286
20090220362
2009-09-03

Compressor unit

#287
20090185907
2009-07-23

Fan assembly and refrigerator having the same

#288
20090159352
2009-06-25

Cooling device for vehicle

#289
20090044835
2009-02-19

Dual path blower method and apparatus

#290
20090004003
2009-01-01

Passive fan

#291
20080189904
2008-08-14

Portable blower

#292
20080152478
2008-06-26

Rotor mechanism of centrifugal compressor

#293
20080089785
2008-04-17

Blower unit and portable blower

#294
20080087315
2008-04-17

Thermoelectric Fan for Radiation-Based Heaters, and Methods Related Thereto

#295
20080066722
2008-03-20

Centrifugal compressor with improved lubrication system for gear-type transmission

#296
20080038111
2008-02-14

Blower device

#297
20080025847
2008-01-31

Ventilation assembly for wind turbine rotor hub

#298
20080003064
2008-01-03

ENHANCED AXIAL AIR MOVER SYSTEM WITH ALIGNMENT

#299
20070227516
2007-10-04

Supercharger

#300
20070220702
2007-09-27

Walk-behind blower