Repairing, retrofitting or upgrading methods

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CPC
F05B2230/80

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F05Engines, pumps F05BINDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY F05B2230/00Manufacture

Current Industry

F05B2230/80Repairing, retrofitting or upgrading methods

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Rotor blade of a wind turbine comprising a lift modifying device an...
- Patent number 12,359,650
- Issue date Jul 15, 2025
- Siemens Gamesa Renewable Energy A/S
- Liekele Broersma
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Hydroelectric/hydrokinetic turbine and methods for making and using...
- Patent number 12,359,649
- Issue date Jul 15, 2025
- HYDROKINETIC ENERGY CORP
- Walter Schurtenberger
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Apparatus and method for extracting a seized yaw piston from a wind...
- Patent number 12,350,772
- Issue date Jul 8, 2025
- Chad Badertscher
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluid film bearing comprising bearing pads and method of replacing...
- Patent number 12,352,244
- Issue date Jul 8, 2025
- Siemens Gamesa Renewable Energy A/S
- Niels Karl Frydendal
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Uptower main bearing replacement
- Patent number 12,338,798
- Issue date Jun 24, 2025
- Inventus Holdings, LLC
- Martin E. Lohan
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Lift modifying device for a rotor blade, rotor blade of a wind turb...
- Patent number 12,320,327
- Issue date Jun 3, 2025
- Siemens Gamesa Renewable Energy A/S
- Liekele Broersma
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method of servicing a wind turbine rotor blade
- Patent number 12,313,040
- Issue date May 27, 2025
- Vestas Wind Systems A/S
- Aksel Petersen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method of repairing a hydrogenerator
- Patent number 12,316,177
- Issue date May 27, 2025
- Electromechanical Engineering Associates, Inc.
- Jason Sinkhorn
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Yaw supervision
- Patent number 12,297,805
- Issue date May 13, 2025
- Vestas Wind Systems A/S
- Keld Thomsen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for replacing a sliding pad of a rotational sliding bearing,...
- Patent number 12,297,869
- Issue date May 13, 2025
- Siemens Gamesa Renewable Energy A/S
- Alejandro Cerda Varela
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multiple up-tower lifting appliances on wind turbines
- Patent number 12,270,383
- Issue date Apr 8, 2025
- LiftWerx Solutions Inc.
- Glen D. Aitken
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Connection system for attaching a blade access system to a nacelle...
- Patent number 12,270,384
- Issue date Apr 8, 2025
- Vestas Wind Systems A/S
- Payam Javadian
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Lightning protection covering
- Patent number 12,264,653
- Issue date Apr 1, 2025
- Wichita State University
- Billy Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for repairing a root of a rotor blade of a wind turbine
- Patent number 12,209,572
- Issue date Jan 28, 2025
- Siemens Gamesa Renewable Energy A/S
- Erik Dahl Andersen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Eliminating wind generator inter-turn failures winding improvement
- Patent number 12,206,298
- Issue date Jan 21, 2025
- The Timken Company
- Jan de Swardt
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Performing post-moulding operations on a blade segment of a wind tu...
- Patent number 12,146,467
- Issue date Nov 19, 2024
- LM Wind Power A/S
- Peter Søgaard
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine blade manufacture
- Patent number 12,123,390
- Issue date Oct 22, 2024
- Vestas Wind Systems A/S
- Sergei A. Vasiljev
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine and retrofitting system and method for at least one wi...
- Patent number 12,110,869
- Issue date Oct 8, 2024
- Siemens Gamesa Renewable Energy A/S
- Matthias Schult
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Nacelle for wind turbine and method for transferring components
- Patent number 12,110,873
- Issue date Oct 8, 2024
- Vestas Wind Systems A/S
- Oliver Tierdad Filsoof
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method of repairing a bearing bore and bore insert for repairing a...
- Patent number 12,104,581
- Issue date Oct 1, 2024
- Vestas Wind Systems A/S
- Mogens E. Andersen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Main shaft fixture
- Patent number 12,104,578
- Issue date Oct 1, 2024
- LIFTRA IP APS
- Per E. Fenger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for installation of an open-sleeve add-on device...
- Patent number 12,098,698
- Issue date Sep 24, 2024
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Darren John Danielsen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method of prolonging pitch bearing lifetime and pitch bearing
- Patent number 12,092,075
- Issue date Sep 17, 2024
- Vestas Wind Systems A/S
- Jens Bredal Nielsen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method for the maintenance of wind turbine towers by means of auxil...
- Patent number 12,091,140
- Issue date Sep 17, 2024
- Esteyco S.A.
- Jose Salustiano Serna Garcia-Conde
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Field machining of wind turbine gearboxes
- Patent number 12,071,927
- Issue date Aug 27, 2024
- RENEW ENERGY MAINTENANCE, LLC
- Curt Eliason
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cable bundle longevity on wind turbines
- Patent number 12,055,130
- Issue date Aug 6, 2024
- Jose Leonel Melchor Clague
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Submersible hydraulic assembly with facilitated deployment, facilit...
- Patent number 12,044,200
- Issue date Jul 23, 2024
- Sizable Energy S.R.L.
- Manuele Aufiero
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for retrofitting a wind turbine with an energy generating unit
- Patent number 12,037,980
- Issue date Jul 16, 2024
- Vestas Wind Systems A/S
- Siddhesh Gopal Mane
- E04 - BUILDING
Information Patent Grant
Bulkhead removal device and method
- Patent number 12,031,521
- Issue date Jul 9, 2024
- FabricAir Canada Inc.
- Daniela Roeper
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Retrofit for existing wind turbine foundations, retrofitted wind tu...
- Patent number 12,018,449
- Issue date Jun 25, 2024
- RWE Renewables Europe & Australia GmbH
- Marta Diaz Carroza
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REPAIRING A SHEAR WEB OF A WIND TURBINE ROTOR BLADE AND...
- Publication number 20250237196
- Publication date Jul 24, 2025
- Nordex Energy SE & Co. KG
- Jean-Pierre Calmon
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD OF PERFORMING SERVICE WORK ON A HORIZONTAL AXIS WIND TURBINE
- Publication number 20250237194
- Publication date Jul 24, 2025
- LIFTRA IP ApS
- Per Eske FENGER
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES
- Publication number 20250230801
- Publication date Jul 17, 2025
- LiftWerx Solutions Inc.
- Glen D. AITKEN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
Servicing of a wind turbine component
- Publication number 20250223948
- Publication date Jul 10, 2025
- Siemens Gamesa Renewable Energy A/S
- Matthias Schult
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WIND TURBINE BEARING AND METHOD OF LUBRICATION
- Publication number 20250207562
- Publication date Jun 26, 2025
- Renew Energy Maintenance, LLC
- Michael Paul Feltman
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
INFLATABLE COMPONENT FOR SERVICE OR INSTALLATION OF A WIND TURBINE...
- Publication number 20250198393
- Publication date Jun 19, 2025
- Siemens Gamesa Renewable Energy A/S
- Erik Dahl Andersen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD FOR REMOVING A METAL INSERT
- Publication number 20250179994
- Publication date Jun 5, 2025
- Nordex Energy SE & Co. KG
- Benedikt Haspel
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE DRIVETRAIN
- Publication number 20250146476
- Publication date May 8, 2025
- Siemens Gamesa Renewable Energy A/S
- Andreas Rogg
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
STATOR FOR WIND TURBINE GENERATORS
- Publication number 20250141326
- Publication date May 1, 2025
- The Timken Company
- Jan H. de Swardt
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD OF SERVICING A WIND TURBINE ROTOR BLADE
- Publication number 20250137440
- Publication date May 1, 2025
- VESTAS WIND SYSTEMS A/S
- Aksel Petersen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
MAIN SHAFT FIXTURE
- Publication number 20250101958
- Publication date Mar 27, 2025
- LIFTRA IP ApS
- Per E. FENGER
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WIND TURBINE BLADE MAINTENANCE PLATFORM
- Publication number 20250101959
- Publication date Mar 27, 2025
- PP ENERGY APS
- Jesper Ankjær PEDERSEN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ELIMINATING WIND GENERATOR INTER-TURN FAILURES WINDING IMPROVEMENT
- Publication number 20250096659
- Publication date Mar 20, 2025
- The Timken Company
- Jan de Swardt
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
REMOTE-CONTROLLED MODULAR HYDROPOWER GENERATOR SYSTEM
- Publication number 20250084822
- Publication date Mar 13, 2025
- CHANG-YU CHEN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE ROBOTIC CLEANING AND PAINTING SYSTEM
- Publication number 20250073758
- Publication date Mar 6, 2025
- AERONES, INC.
- Janis PUTRAMS
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
SELF-ADJUSTING DRIVE TRACK OF A ROBOTIC DEVICE FOR REPAIRING A WIND...
- Publication number 20250035090
- Publication date Jan 30, 2025
- BladeRobots A/S
- Ivar J.B.K. Jensen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
INJECTION REPAIR OF COMPOSITE FATIGUE CRACKS
- Publication number 20250020108
- Publication date Jan 16, 2025
- Gulf Wind Technology
- Mitchel Graff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Performing post-moulding operations on a blade segment of a wind tu...
- Publication number 20250012257
- Publication date Jan 9, 2025
- LM WIND POWER A/S
- Peter SØGAARD
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ROBOTIC DEVICE AND METHOD FOR REPAIRING LEADING EDGE DAMAGE ON A WI...
- Publication number 20250003394
- Publication date Jan 2, 2025
- BladeRobots A/S
- Ivar J.B.K. Jensen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FLOATING FOUNDATION FOR WIND TURBINE GENERATORS
- Publication number 20240410337
- Publication date Dec 12, 2024
- Niels Christian OLSEN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE BLADE, LADDER SUPPORT ASSEMBLY, WIND TURBINE AND METHO...
- Publication number 20240392743
- Publication date Nov 28, 2024
- Siemens Gamesa Renewable Energy A/S
- Martin Binderup Jensen
- E04 - BUILDING
Information Patent Application
PREFORM PATCH AND METHOD OF SUBSEQUENT REINFORCEMENT OF A FIBRE COM...
- Publication number 20240375373
- Publication date Nov 14, 2024
- Faserverbund Innovations UG (haftungsbeschränkt)
- Dominik DIERKES
- B32 - LAYERED PRODUCTS
Information Patent Application
METHODS FOR HANDLING A LOAD, IN PARTICULAR FOR INSTALLING OR REMOVI...
- Publication number 20240344504
- Publication date Oct 17, 2024
- DOLFINES
- Mathieu AUPERIN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
SERVICE BRAKE FOR A WIND TURBINE YAW MOTOR
- Publication number 20240337246
- Publication date Oct 10, 2024
- Siemens Gamesa Renewable Energy A/S
- Steen Damgaard
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE GENERATOR WITH HYDRAULIC PUMP
- Publication number 20240328389
- Publication date Oct 3, 2024
- DELFT OFFSHORE TURBINE B.V.
- Jan VAN DER TEMPEL
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
SYSTEM AND METHOD FOR REPAIRING LEADING EDGE DAMAGE ON A WIND TURBI...
- Publication number 20240309854
- Publication date Sep 19, 2024
- BladeRobots A/S
- Ivar J.B.K. Jensen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
REPAIR OF WIND TURBINE BLADES
- Publication number 20240308160
- Publication date Sep 19, 2024
- Green Energy Robotics Ltd
- Jack MUNRO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES
- Publication number 20240287969
- Publication date Aug 29, 2024
- LiftWerx Holdings Inc.
- Glen D. AITKEN
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELIMINATING WIND GENERATOR INTER-TURN FAILURES WINDING IMPROVEMENT
- Publication number 20240291358
- Publication date Aug 29, 2024
- The Timken Company
- Jan de Swardt
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING...
- Publication number 20240287956
- Publication date Aug 29, 2024
- HYDROKINETIC ENERGY CORP
- Walter SCHURTENBERGER
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Repairing, retrofitting or upgrading methods

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Rotor blade of a wind turbine comprising a lift modifying device an...

Hydroelectric/hydrokinetic turbine and methods for making and using...

Apparatus and method for extracting a seized yaw piston from a wind...

Fluid film bearing comprising bearing pads and method of replacing...

Uptower main bearing replacement

Lift modifying device for a rotor blade, rotor blade of a wind turb...

Method of servicing a wind turbine rotor blade

Method of repairing a hydrogenerator

Yaw supervision

Method for replacing a sliding pad of a rotational sliding bearing,...

Multiple up-tower lifting appliances on wind turbines

Connection system for attaching a blade access system to a nacelle...

Lightning protection covering

Method for repairing a root of a rotor blade of a wind turbine

Eliminating wind generator inter-turn failures winding improvement

Performing post-moulding operations on a blade segment of a wind tu...

Wind turbine blade manufacture

Wind turbine and retrofitting system and method for at least one wi...

Nacelle for wind turbine and method for transferring components

Method of repairing a bearing bore and bore insert for repairing a...

Main shaft fixture

System and method for installation of an open-sleeve add-on device...

Method of prolonging pitch bearing lifetime and pitch bearing

Method for the maintenance of wind turbine towers by means of auxil...

Field machining of wind turbine gearboxes

Cable bundle longevity on wind turbines

Submersible hydraulic assembly with facilitated deployment, facilit...

Method for retrofitting a wind turbine with an energy generating unit

Bulkhead removal device and method

Retrofit for existing wind turbine foundations, retrofitted wind tu...

Patents Applicationslast 30 patents

METHOD FOR REPAIRING A SHEAR WEB OF A WIND TURBINE ROTOR BLADE AND...

METHOD OF PERFORMING SERVICE WORK ON A HORIZONTAL AXIS WIND TURBINE

MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES

Servicing of a wind turbine component

WIND TURBINE BEARING AND METHOD OF LUBRICATION

INFLATABLE COMPONENT FOR SERVICE OR INSTALLATION OF A WIND TURBINE...

METHOD FOR REMOVING A METAL INSERT

WIND TURBINE DRIVETRAIN

STATOR FOR WIND TURBINE GENERATORS

METHOD OF SERVICING A WIND TURBINE ROTOR BLADE

MAIN SHAFT FIXTURE

WIND TURBINE BLADE MAINTENANCE PLATFORM

ELIMINATING WIND GENERATOR INTER-TURN FAILURES WINDING IMPROVEMENT

REMOTE-CONTROLLED MODULAR HYDROPOWER GENERATOR SYSTEM

WIND TURBINE ROBOTIC CLEANING AND PAINTING SYSTEM

SELF-ADJUSTING DRIVE TRACK OF A ROBOTIC DEVICE FOR REPAIRING A WIND...

INJECTION REPAIR OF COMPOSITE FATIGUE CRACKS

Performing post-moulding operations on a blade segment of a wind tu...

ROBOTIC DEVICE AND METHOD FOR REPAIRING LEADING EDGE DAMAGE ON A WI...

FLOATING FOUNDATION FOR WIND TURBINE GENERATORS

WIND TURBINE BLADE, LADDER SUPPORT ASSEMBLY, WIND TURBINE AND METHO...

PREFORM PATCH AND METHOD OF SUBSEQUENT REINFORCEMENT OF A FIBRE COM...

METHODS FOR HANDLING A LOAD, IN PARTICULAR FOR INSTALLING OR REMOVI...

SERVICE BRAKE FOR A WIND TURBINE YAW MOTOR

WIND TURBINE GENERATOR WITH HYDRAULIC PUMP

SYSTEM AND METHOD FOR REPAIRING LEADING EDGE DAMAGE ON A WIND TURBI...

REPAIR OF WIND TURBINE BLADES

MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES

ELIMINATING WIND GENERATOR INTER-TURN FAILURES WINDING IMPROVEMENT

HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING...