Patents-Review.com
ClassID:

142149 ⎘

F03B3/12 - CPC Classification

Classification description:

Machines or engines of reaction type; Parts or details peculiar thereto Blades; Blade-carrying rotors

Sub-classes:
Recent Application in this class:
#1
20260132765
2026-05-14

BUOYANCY CONTROL OF TURBOMACHINERY

 #2
20260078730
2026-03-19

DUAL LOCKING POSITION REACTIVE, REVERSIBLE BLADE TURBINE SYSTEM FOR ALTERNATIVE ENERGY PRODUCTION

 #3
20250305475
2025-10-02

Water current and movement energy harvesting system for desalination and electricity production

 #4
20250264084
2025-08-21

BUOYANCY CONTROL OF TURBOMACHINERY

 #5
20240229756
2024-07-11

FLUID TURBINE ASSEMBLY AND METHOD OF ACTUATION OF A FLUID TURBINE

 #6
20240151203
2024-05-09

Fluid turbine with parachute-like catchers

 #7
20230250791
2023-08-10

Outer turbine system

 #8
20220034291
2022-02-03

SYSTEMS AND METHODS FOR GENERATING ELECTRICAL ENERGY

 #9
20210363957
2021-11-25

Gravitational turbine engine

 #10
20210317961
2021-10-14

Light-emitting assembly with micro hydraulic power generator

 #11
20210270230
2021-09-02

Toroidal lift force engine

 #12
20210115891
2021-04-22

TURBINE AND METHOD FOR THE ROTATION THEREOF

 #13
20210108607
2021-04-15

Tidal current generating unit

 #14
20200355154
2020-11-12

Systems and methods for generating electrical energy

 #15
20200224631
2020-07-16

Rotor for a device for recovering hydraulic wave energy

 #16
20200158073
2020-05-21

RUNNER FOR A HYDROELECTRIC AXIAL TURBINE OR PUMP

 #17
20200011288
2020-01-09

TURBINE SYSTEM FOR PRODUCING ELECTRICAL ENERGY AND METHOD THEREFOR

 #18
20190316560
2019-10-17

Gravitational turbine engine

 #19
20190017606
2019-01-17

Hydrostatic non-contact seal with offset outer ring

 #20
20180306046
2018-10-25

Seal shoe for a hydrostatic non-contact seal device

 #21
20180195489
2018-07-12

Axial-flow turbine for low-head installations

 #22
20180156183
2018-06-07

Runner for a Fluid Machine Having Removable Blades

 #23
20180142666
2018-05-24

Double Paddle Mechanism for Pool Cleaner

 #24
20180003145
2018-01-04

FREELY-CONTROLLED POWER GENERATION APPARATUS

 #25
20170211406
2017-07-27

Seal shoe for a hydrostatic non-contact seal device

 #26
20170184070
2017-06-29

Tidal flow power generation System and Method

 #27
20170089322
2017-03-30

Rotor

 #28
20160298595
2016-10-13

Moving window frame with multiple windows and its application in the ocean, river, and wind

 #29
20160195058
2016-07-07

Turbine System and Method

 #30
20160138418
2016-05-19

Method for operating a turbomachine, wherein an efficiency characteristic value of a stage is determined, and turbomachine having a device for carrying out the method

 #31
20160131104
2016-05-12

Power generation device

 #32
20160084219
2016-03-24

Submersible hydroelectric generator apparatus and a method of evacuating water from such an apparatus

 #33
20160053743
2016-02-25

System comprising a vertical turbine with flow guides

 #34
20160040560
2016-02-11

Power Generation by Converting Low Grade Thermal Energy to Hydropower

 #35
20160025063
2016-01-28

Alternative hydroelectric power plant

 #36
20150345461
2015-12-03

Water turbine generator

 #37
20150252773
2015-09-10

Runner device for a hydraulic fluid flow machine

 #38
20150037153
2015-02-05

Cross flow turbine with straight vertical and helical slanted blades

 #39
20140333071
2014-11-13

Hydroelectric power generating apparatus without dam

 #40
20140271175
2014-09-18

Alternating paddle mechanism for pool cleaner

 #41
20140271124
2014-09-18

Double paddle mechanism for pool cleaner

 #42
20140271122
2014-09-18

Rooster tail suppression apparatus

 #43
20140248151
2014-09-04

FLOATING WATER WAVE ENERGY COLLECTING AND TRANSDUCING SYSTEM

 #44
20140227100
2014-08-14

Rotating machine blade with reinforced modular structure

 #45
20140202146
2014-07-24

METHOD FOR OPERATING A WAVE ENERGY CONVERTER

 #46
20140050587
2014-02-20

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

 #47
20140037449
2014-02-06

Power Plant for Obtaining Energy from a Flow of a Body of Water, and Method for the Operation Thereof

 #48
20140017065
2014-01-16

Rotor apparatus

 #49
20130333370
2013-12-19

Method and apparatus for energy generation

 #50
20130088014
2013-04-11

Power plant with cassette-type power unit

 #51
20130058790
2013-03-07

CENTRIFUGAL IMPELLERS STRUCTURE

 #52
20130011251
2013-01-10

Turbine with radial inlet and outlet rotor for use in bidirectional flows

 #53
20120119500
2012-05-17

Turbine system and method

 #54
20110187112
2011-08-04

HYDRO-KINETICALLY POWERED ELECTRICAL GENERATOR POWER HEAD

 #55
20110081244
2011-04-07

Spiral design

 #56
20110044819
2011-02-24

Water Turbine Drive Wheel

 #57
20100283251
2010-11-11

Turbine assembly

 #58
20090194997
2009-08-06

Darrieus water wheel turbine

 #59
20090074578
2009-03-19

Turbine and compressor employing tubercle leading edge rotor design

 #60
20060018754
2006-01-26

Francis wheel and hydraulic machine comprising one such wheel

 #61
17510382
2023-01-10

Miniature hydroelectric apparatus

 #62
14580507
2019-11-26

Neo-hydroelectric power system

 #63
14085175
2014-12-16

Deployment device and system for hydrokinetic energy converter turbine