Maintenance or repair

Industry

CPC
F03D80/50

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F03Liquid processing machines F03DWIND MOTORS F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00

Current Industry

F03D80/50Maintenance or repair

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Leading edge protection for a wind turbine blade
- Patent number 12,366,226
- Issue date Jul 22, 2025
- BLADE DYNAMICS LIMITED
- Manish Mukherjee
- 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
System for repositioning two components of a wind turbine with resp...
- Patent number 12,338,799
- Issue date Jun 24, 2025
- SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY S.L.
- Beinat Gaminde Larreta
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Devices and methods for mitigating vibrations in wind turbine blades
- Patent number 12,313,029
- Issue date May 27, 2025
- LM Wind Power A/S
- Marc Canal Vila
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Assembling and dissembling device
- Patent number 12,305,743
- Issue date May 20, 2025
- ZF Friedrichshafen AG
- Wim De Laet
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Offshore wind turbine with anti-accumulation of aquatic organisms
- Patent number 12,292,032
- Issue date May 6, 2025
- National Kaohsiung University of Science and Technology
- Fu-Ming Tzu
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method of servicing or installing a component of a wind turbine usi...
- Patent number 12,281,636
- Issue date Apr 22, 2025
- General Electric Renovables España S.L.
- Alexander Miller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Sliding roof system for a nacelle
- Patent number 12,247,544
- Issue date Mar 11, 2025
- Siemens Gamesa Renewable Energy A/S
- Jacob Christiansen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Powertrain assembly for a wind turbine
- Patent number 12,241,456
- Issue date Mar 4, 2025
- Vestas Wind Systems A/S
- Lars Langvardt Krogh
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
System and method for monitoring rotor blade health of a wind turbine
- Patent number 12,241,452
- Issue date Mar 4, 2025
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Lijun He
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
System and method for scheduling preventative maintenance actions b...
- Patent number 12,234,808
- Issue date Feb 25, 2025
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Edward Lee McGrath
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device, system, and method for performing maintenance on object
- Patent number 12,233,439
- Issue date Feb 25, 2025
- LEBO ROBOTICS, INC.
- Keitaro Hamamura
- B08 - CLEANING
Information Patent Grant
Assisting device for blade detection
- Patent number 12,216,090
- Issue date Feb 4, 2025
- Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan,...
- Yu-Chu Lin
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
System comprising a structure being prone to lightning strikes and...
- Patent number 12,215,673
- Issue date Feb 4, 2025
- General Electric Renovables España S.L.
- Parag Rameshchandra Dharmadhikari
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Relating to wind turbine maintenance
- Patent number 12,203,451
- Issue date Jan 21, 2025
- Vestas Wind Systems A/S
- Jonas Lerche Schomacker
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Medium voltage safety procedure and housing
- Patent number 12,199,520
- Issue date Jan 14, 2025
- Vestas Wind Systems A/S
- Lars Helle
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Temporary enclosure for at least a part of a rotor blade
- Patent number 12,196,181
- Issue date Jan 14, 2025
- PP Energy ApS
- Lars Martensen
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Using a rotor lock plate for redistribution of shaft weight and loads
- Patent number 12,196,182
- Issue date Jan 14, 2025
- General Electric Renovables España S.L.
- Jacob Johannes Nies
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Tower for a wind turbine
- Patent number 12,188,452
- Issue date Jan 7, 2025
- SIEMENS GAMESA RENEWABLE ENERGY INNOVATION & TECHNOLOGY S.L.
- Juan Manuel Osorio Martinez
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Arrangement for lowering and raising service tools used for wind tu...
- Patent number 12,188,453
- Issue date Jan 7, 2025
- AERONES, INC.
- Janis Putrams
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Rope driver, portable device for driving a rope comprising a rope d...
- Patent number 12,158,136
- Issue date Dec 3, 2024
- Michel Sanderse
- A62 - LIFE-SAVING FIRE-FIGHTING
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...

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND DEVICES FOR VIBRATION MITIGATION ON WIND TURBINES
- Publication number 20250237195
- Publication date Jul 24, 2025
- General Electric Renovables España, S.L.
- Marc CANAL VILA
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
A METHOD FOR EARLY IDENTIFICATION OF MATERIAL FATIGUE IN WIND TURBI...
- Publication number 20250230799
- Publication date Jul 17, 2025
- Ørsted Wind Power A/S
- Mathias Bækdal MADSEN
- 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
OFFSHORE FLOATING INTERVENTION PLATFORM INTENDED TO DOCK ON AN OFFS...
- Publication number 20250214688
- Publication date Jul 3, 2025
- TECHNIP ENERGIES FRANCE
- Fredrik MOOD
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
ALIGNMENT AND INSERTION SYSTEM FOR LOWERING BLADES WITHOUT USING A...
- Publication number 20250215855
- Publication date Jul 3, 2025
- NABRAWIND TECHNOLOGIES, S.L.
- Eneko SANZ PASCUAL
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ROTOR DRIVE SYSTEM ASSISTED DISENGAGEMENT OF THE ROTOR-LOCK MECHANISM
- Publication number 20250207561
- Publication date Jun 26, 2025
- VESTAS WIND SYSTEMS A/S
- Esben Bach-Sørensen
- 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
JIB CRANE FOR A WIND TURBINE, JIB CRANE KIT, TRANSPORT SYSTEM AND M...
- Publication number 20250188910
- Publication date Jun 12, 2025
- Nordex Energy Spain S.A.U.
- Ramon Bernardez Piñeiro
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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 OFFSET PITCH DRIVE PINION
- Publication number 20250179995
- Publication date Jun 5, 2025
- Inventus Holdings, LLC
- ERIC M. JACOBSEN
- 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
MODULAR ROBOT FOR REMOTE REPAIR OF WIND TURBINE BLADES
- Publication number 20250109736
- Publication date Apr 3, 2025
- IMFUTURE - INTEGRAL MANAGEMENT FUTURE RENEWABLES, S.L.
- Jesús CORDERO PLACER
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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
COATING APPLICATOR TOOL HEAD USED WITH AUTOMATED DEVICE FOR REPAIRI...
- Publication number 20250092859
- Publication date Mar 20, 2025
- VESTAS WIND SYSTEMS A/S
- Ivar J.B.K. Jensen
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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
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
SYSTEMS AND METHODS FOR PREDICTIVE MAINTENANCE USING COMPUTATIONAL...
- Publication number 20250067252
- Publication date Feb 27, 2025
- Sentient Science Corporation
- Keith Vergien
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
TEMPORARY WORK PLATFORM ASSEMBLY
- Publication number 20250059780
- Publication date Feb 20, 2025
- VESTAS WIND SYSTEMS A/S
- Aksel Petersen
- E04 - BUILDING
Information Patent Application
PHOTOVOLTAIC INSTALLATION
- Publication number 20250047229
- Publication date Feb 6, 2025
- Planair SA
- Lionel PERRET
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TEMPORARY ENCLOSURE FOR AT LEAST A PART OF A ROTOR BLADE
- Publication number 20250035089
- Publication date Jan 30, 2025
- PP ENERGY APS
- Lars MARTENSEN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
WIND-TURBINE MAINTENANCE DEVICE
- Publication number 20250035088
- Publication date Jan 30, 2025
- AERONES, INC.
- Janis PUTRAMS
- 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...

Maintenance or repair

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Leading edge protection for a wind turbine blade

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

System for repositioning two components of a wind turbine with resp...

Method of servicing a wind turbine rotor blade

Devices and methods for mitigating vibrations in wind turbine blades

Assembling and dissembling device

Yaw supervision

Offshore wind turbine with anti-accumulation of aquatic organisms

Method of servicing or installing a component of a wind turbine usi...

Multiple up-tower lifting appliances on wind turbines

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

Sliding roof system for a nacelle

Powertrain assembly for a wind turbine

System and method for monitoring rotor blade health of a wind turbine

System and method for scheduling preventative maintenance actions b...

Device, system, and method for performing maintenance on object

Assisting device for blade detection

System comprising a structure being prone to lightning strikes and...

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

Eliminating wind generator inter-turn failures winding improvement

Relating to wind turbine maintenance

Medium voltage safety procedure and housing

Temporary enclosure for at least a part of a rotor blade

Using a rotor lock plate for redistribution of shaft weight and loads

Tower for a wind turbine

Arrangement for lowering and raising service tools used for wind tu...

Rope driver, portable device for driving a rope comprising a rope d...

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

Patents Applicationslast 30 patents

METHODS AND DEVICES FOR VIBRATION MITIGATION ON WIND TURBINES

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

METHOD OF PERFORMING SERVICE WORK ON A HORIZONTAL AXIS WIND TURBINE

A METHOD FOR EARLY IDENTIFICATION OF MATERIAL FATIGUE IN WIND TURBI...

MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES

Servicing of a wind turbine component

OFFSHORE FLOATING INTERVENTION PLATFORM INTENDED TO DOCK ON AN OFFS...

ALIGNMENT AND INSERTION SYSTEM FOR LOWERING BLADES WITHOUT USING A...

ROTOR DRIVE SYSTEM ASSISTED DISENGAGEMENT OF THE ROTOR-LOCK MECHANISM

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

JIB CRANE FOR A WIND TURBINE, JIB CRANE KIT, TRANSPORT SYSTEM AND M...

METHOD FOR REMOVING A METAL INSERT

WIND TURBINE OFFSET PITCH DRIVE PINION

WIND TURBINE DRIVETRAIN

STATOR FOR WIND TURBINE GENERATORS

METHOD OF SERVICING A WIND TURBINE ROTOR BLADE

MODULAR ROBOT FOR REMOTE REPAIR OF WIND TURBINE BLADES

MAIN SHAFT FIXTURE

WIND TURBINE BLADE MAINTENANCE PLATFORM

COATING APPLICATOR TOOL HEAD USED WITH AUTOMATED DEVICE FOR REPAIRI...

ELIMINATING WIND GENERATOR INTER-TURN FAILURES WINDING IMPROVEMENT

WIND TURBINE ROBOTIC CLEANING AND PAINTING SYSTEM

SYSTEMS AND METHODS FOR PREDICTIVE MAINTENANCE USING COMPUTATIONAL...

TEMPORARY WORK PLATFORM ASSEMBLY

PHOTOVOLTAIC INSTALLATION

TEMPORARY ENCLOSURE FOR AT LEAST A PART OF A ROTOR BLADE

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

WIND-TURBINE MAINTENANCE DEVICE

INJECTION REPAIR OF COMPOSITE FATIGUE CRACKS

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