ClassID:

142152

F03B3/125 - CPC Classification

Classification description:

Machines or engines of reaction type; Parts or details peculiar thereto; Blades; Blade-carrying rotors Rotors for radial flow at high-pressure side and axial flow at low-pressure side, e.g. for Francis-type turbines

Recent Application in this class:
#1
20250334094
2025-10-30

HYDRAULIC TURBINE

#2
20250067239
2025-02-27

Hydraulic turbine

#3
20240175419
2024-05-30

ENERGY-RECOVERY TURBINE WITH PRESSURE-RELEASE VALVE

#4
20230358201
2023-11-09

Francis-type hydraulic machine

#5
20230296073
2023-09-21

Hydraulic turbine

#6
20230030140
2023-02-02

Pre-formed plug with inter-blade profiles for hydraulic turbines

#7
20220136479
2022-05-05

THE IMPELLER ASSEMBLY FOR HYDROELECTRIC POWER GENERATION DEVICE

#8
20220120253
2022-04-21

HYDROTURBINE RUNNER BLADE LOCAL EXTENSION TO AVOID CAVITATION EROSION

#9
20210277862
2021-09-09

Francis-type turbine runner and Francis-type turbine

#10
20210231094
2021-07-29

Hydraulic turbine

#11
20200149505
2020-05-14

Hydraulic turbine

#12
20200040740
2020-02-06

Pre-formed plug with inter-blade profiles for hydraulic turbines

#13
20190345952
2019-11-14

Hydraulic machine comprising a radial flow runner

#14
20180363465
2018-12-20

Runner for a hydraulic turbine or pump and method of operating such a runner

#15
20180313320
2018-11-01

Guide vane apparatus for water turbine and water turbine equipped with the same

#16
20180156188
2018-06-07

HIGH-EFFICIENCY ECOLOGICAL POWER UNIT

#17
20180023534
2018-01-25

Hydraulic turbine

#18
20170314565
2017-11-02

Two piece impeller centrifugal pump

#19
20170211539
2017-07-27

Francis turbine with short blade and short band

#20
20160327012
2016-11-10

Aerating system for hydraulic turbine

#21
20160160834
2016-06-09

HYDRAULIC MACHINE

#22
20160084216
2016-03-24

Method for manufacturing a rotating part of a hydraulic machine, rotating part manufactured according to this method, hydraulic machine and energy conversion installation

#23
20150285207
2015-10-08

Francis-type runner for a turbine, and energy conversion plant comprising such a runner

#24
20150192101
2015-07-09

METHOD FOR FABRICATING A FRANCIS-TYPE RUNNER FOR A HYDRAULIC MACHINE, AND RUNNER FABRICATED USING SUCH A METHOD

#25
20150139828
2015-05-21

Two piece impeller centrifugal pump

#26
20140294590
2014-10-02

Compact blade for runner of Francis turbine and method for configuring runner

#27
20140154057
2014-06-05

FRANCIS TURBINE OR A FRANCIS PUMP OR A FRANCIS PUMP TURBINE

#28
20140079532
2014-03-20

Hydraulic machine and method of operating same

#29
20140050587
2014-02-20

Power-conversion installation including a hydraulic machine provided with a runner

#30
20130121838
2013-05-16

Runner for direct-connected low-speed small mixed flow type water turbine applied in hydrodynamic energy-saving cooling tower

#31
20130052027
2013-02-28

HYDROFOIL WITH FEATURES TO GENERATE CAVITATION

#32
20120121387
2012-05-17

Method and device for resisting wear from particle containing water on an impeller

#33
20110206518
2011-08-25

Francis-type runner for a hydraulic machine, hydraulic machine including such a runner, and method for assembling such a runner

#34
20110188991
2011-08-04

LIQUID CONTROL JET DURING PART LOAD OPERATION IN A HYDRAULIC TURBINE

#35
20110103951
2011-05-05

Francis-type hydraulic turbine wheel equipped with a tip-forming member, and method of reducing fluctuations using such a wheel

#36
20110033304
2011-02-10

Device for a runner

#37
20110020124
2011-01-27

Tip-forming member for a wheel of a hydraulic machine, and wheel and hydraulic machine equipped with such a member

#38
20110014049
2011-01-20

Method and device for reduction of wear in a water turbine

#39
20100129201
2010-05-27

Hydraulic machine including means for injecting a flow drawn from a main flow

#40
20100129200
2010-05-27

Pelton hydraulic machine including means for injecting a flow drawn from a main flow

#41
20100129198
2010-05-27

Hydraulic machine including means for injecting a flow drawn from a main flow

#42
20090311102
2009-12-17

METHOD FOR PRODUCING THE ROTOR OF A WATER TURBINE, AND ROTOR

#43
20090015018
2009-01-15

Flow Stream Momentum Conversion Device Power Rotor

#44
20070140852
2007-06-21

Francis pump-turbine

#45
20070134098
2007-06-14

Split francis turbine runner

#46
20060228215
2006-10-12

Stress relief grooves for Francis turbine runner blades

#47
20060115357
2006-06-01

Runner for francis type hydraulic turbine

#48
20060051210
2006-03-09

Francis turbine

#49
20050214115
2005-09-29

Hydraulic machine rotor

#50
20050089404
2005-04-28

Francis turbine

#51
20050042104
2005-02-24

Francis turbine

#52
20050013691
2005-01-20

Francis turbine

#53
20050013690
2005-01-20

Component assembly for reconfiguring a centrifugal pump

#54
20050008475
2005-01-13

Hydraulic turbine with enhanced dissolved oxygen