ClassID:

144102

F04D25/028 - CPC Classification

Classification description:

Pumping installations or systems; Units comprising pumps and their driving means the driving means being a planetary gear

Recent Application in this class:
#1
20260126047
2026-05-07

FAN STRUCTURE

#2
20250290519
2025-09-18

FAN WHEEL

#3
20240337454
2024-10-10

DIRECT-DRIVE SYSTEM FOR COOLING SYSTEM FANS, EXHAUST BLOWERS AND PUMPS

#4
20230358247
2023-11-09

INTEGRATED BEARING SYSTEMS FOR DYNAMICALLY SUPPORTING SHAFTS IN PUMP SYSTEMS

#5
20230079172
2023-03-16

CENTRIFUGAL COMPRESSOR

#6
20220412436
2022-12-29

Extreme transmission ratio efficient mechanism

#7
20220390194
2022-12-08

Direct-drive system for cooling system fans, exhaust blowers and pumps

#8
20220349410
2022-11-03

Compressors having multi-speed gearboxes

#9
20220307512
2022-09-29

Compressor system

#10
20220268291
2022-08-25

Rotary machine

#11
20220178378
2022-06-09

Transmission and centrifugal compressor

#12
20220099098
2022-03-31

Fan wheel

#13
20220034394
2022-02-03

Flexible support structure for a geared architecture gas turbine engine

#14
20210396244
2021-12-23

Fan module comprising variable-pitch blades

#15
20210340993
2021-11-04

Centrifugal compressor

#16
20210190080
2021-06-24

Epicyclic drive for gas turbine engine lubricant pump

#17
20210164740
2021-06-03

Direct-drive system for cooling system fans, exhaust blowers and pumps

#18
20210140433
2021-05-13

Fluid pumping system

#19
20200158226
2020-05-21

Flexible support structure for a geared architecture gas turbine engine

#20
20200158119
2020-05-21

Seal arrangement for superchargers

#21
20190368425
2019-12-05

Fan drive gear system mechanical controller

#22
20190353172
2019-11-21

Epicyclic drive for gas turbine engine lubricant pump

#23
20190293371
2019-09-26

Direct-drive system for cooling system fans, exhaust blowers and pumps

#24
20190128182
2019-05-02

Turbofan engine bearing and gearbox arrangement

#25
20190120084
2019-04-25

Gas turbine engine with high speed low pressure turbine section and bearing support features

#26
20190068090
2019-02-28

Variable-speed speed increaser

#27
20180283393
2018-10-04

Centrifugal compressor

#28
20180283388
2018-10-04

CENTRIFUGAL COMPRESSOR

#29
20180283387
2018-10-04

Centrifugal compressor

#30
20180252153
2018-09-06

Intake air boost system for two-cycle engine having roots blowers

#31
20170365866
2017-12-21

Traction drive fuel cell pump

#32
20170298767
2017-10-19

Gas turbine engine with high speed low pressure turbine section and bearing support features

#33
20170292523
2017-10-12

Electric propulsion engine for an aircraft

#34
20170284518
2017-10-05

Speed increaser

#35
20170284416
2017-10-05

High-transmission-ratio suspension shaft centrifugal supercharger with planetary gear mechanism

#36
20170284408
2017-10-05

Supply of air to an air-conditioning circuit of an aircraft cabin

#37
20170284302
2017-10-05

Electromagnetic anti-windmilling system

#38
20170268527
2017-09-21

IMPELLER FOR SUPERCHARGER

#39
20170234316
2017-08-17

Dual seal arrangement for superchargers

#40
20170218975
2017-08-03

VARIABLE PITCH FAN BLADE ARRANGEMENT FOR GAS TURBINE ENGINE

#41
20170175767
2017-06-22

Gas turbine engine with short inlet and blade removal feature

#42
20170107991
2017-04-20

Electric fan

#43
20170051732
2017-02-23

Pump system and method of starting pump

#44
20170009776
2017-01-12

Turbine engine provided with a lubrication unit

#45
20170002907
2017-01-05

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

#46
20160369702
2016-12-22

Fan drive gear system mechanical controller

#47
20160341281
2016-11-24

SUBSEA GEAR TRAIN SYSTEM

#48
20160341215
2016-11-24

Compressor tip injector

#49
20160319830
2016-11-03

Fan drive gear system including a two-piece fan shaft with lubricant transfer leakage recapture

#50
20160319829
2016-11-03

Flexible support structure for a geared architecture gas turbine engine

#51
20160305314
2016-10-20

Supercharging device for an internal combustion engine of a motor vehicle, and method for producing the supercharging device

#52
20160273177
2016-09-22

Driving arrangement and cooling system for a snow blower device

#53
20160252063
2016-09-01

Variable Drive For Liquified Natural Gas Pump

#54
20160222975
2016-08-04

Dual direction windmill pump for geared turbofan engine

#55
20160215688
2016-07-28

Engine supercharger

#56
20160208807
2016-07-21

Oscillating fan

#57
20160201682
2016-07-14

Split axial-centrifugal compressor

#58
20160195096
2016-07-07

Three spool geared turbofan with low pressure compressor drive gear system and mechanical controller

#59
20160131229
2016-05-12

Method for operating a drive train, and drive train

#60
20160131155
2016-05-12

Geared centrifugal compressor with pressure adjustment portion to balance axial thrust

#61
20160123332
2016-05-05

Rotary machine

#62
20160090988
2016-03-31

Aircraft engine with a compressor device

#63
20160069624
2016-03-10

Direct-drive system for cooling system fans, exhaust blowers and pumps

#64
20160053775
2016-02-25

Gearbox with a shaft

#65
20160025003
2016-01-28

Turbofan engine bearing and gearbox arrangement

#66
20150345507
2015-12-03

Compressor and turbo chiller

#67
20150233284
2015-08-20

System for driving at least one compressor, notably a combustion engine supercharger compressor

#68
20150226223
2015-08-13

Contra-rotating transmission

#69
20150159525
2015-06-11

Lubrication system for vehicle engine

#70
20150118025
2015-04-30

Motorcycle supercharger

#71
20150114364
2015-04-30

Supercharger mounting structure for engine

#72
20150071765
2015-03-12

Supercharger transmission

#73
20140186197
2014-07-03

Fan assembly having multiple centrifugal fans in mechanical connection with a planetary gear system

#74
20140169935
2014-06-19

Lightweight shrouded fan blade

#75
20140147253
2014-05-29

Counter rotating helico-axial pump

#76
20130320185
2013-12-05

Turbomachine geared architecture support assembly

#77
20130223984
2013-08-29

Multi-stage axial compressor with counter-rotation

#78
20130058761
2013-03-07

Multi-stage integrally geared compressor

#79
20130028751
2013-01-31

Shaft mounted geared fan for operating motors and method of assembling such motors

#80
20120252620
2012-10-04

Drive arrangement for a vehicle accessory

#81
20110009225
2011-01-13

Variable Speed Fan Drive

#82
20100275890
2010-11-04

Method of operating a supercharger

#83
20100132637
2010-06-03

Automotive air blowers

#84
20100050998
2010-03-04

Variable speed supercharger with electric power generation

#85
20070134111
2007-06-14

Fuel cell compressor system

#86
20060263203
2006-11-23

Automotive air blowers

#87
20050074341
2005-04-07

High-speed fluidic device

#88
18332250
2024-01-16

Fan component of fan lamp and fan lamp assembly

#89
17448525
2022-04-05

Negative-pressure balance system for gear box of centrifugal compressor

#90
15341628
2017-08-29

Power transmission system for turbine or compressor having counter-rotating blades

#91
13872100
2016-03-01

Hollow draft inducers (draft inducers or hollow inducers)