GRAVITY POWERED HYDRAULIC PISTON ENGINE AND GRAVITY POWERED HYDRAULIC PISTON ENGINE GENERATOR APPARATUS AND METHODS TO USE THE SAME

MULTI-STAGE BUFFER HYDRAULIC CYLINDER FOR WAVE-ENERGY POWER GENERATION APPARATUS AND MULTI-STAGE BUFFER HYDRAULIC CONTROL METHOD

SYSTEMS AND METHODS FOR POWER DISTRIBUTION AND HARNESSING OF MARINE HYDROKINETIC ENERGY

WIND TURBINE GENERATOR WITH HYDRAULIC PUMP

Indirect hydraulic load hierarchical control system and method for wave energy device

Kinetic machine, powered by flowing water for the extraction of energy by pressurizing water

Wave energy converter

WAVE ENERGY ABSORBER WITH ADJUSTABLE HYDRODYNAMIC PROPERTIES

Electronic controller with off-load and anti-stall capability for Ram air turbine variable displacement hydraulic pump

DEVICE HARNESSING WAVE ENERGY TO PRODUCE ELECTRICAL ENERGY WITH AMPLIFICATION SYSTEM

LOW-SPEED HIGH-TORQUE HYDROSTATIC POWERTRAIN

SUBMERGED WAVE ENERGY CONVERTER FOR DEEP WATER OPERATIONS

Assembly for transferring wave energy to an energy converter

Hub access through nacelle

Fluid power pack

Method and apparatus of extracting energy from water waves to generate electric power

Power generation device

WAVE FORCE GENERATION SYSTEM AND CONTROLLING METHOD THEREFOR

Wave power generation system and method for controlling same

Effective wave power plant for production of clean electricity or clean water from the waves or a combined system

Fluid end crossbore

PROCESS FLUID LUBRICATED PUMP

Method and system for harnessing energy from moving ice

Multi-piston bladeless wind turbine

METHOD AND APPARATUS FOR GENERATING ELECTRICITY

WIND TURBINE GENERATOR WITH HYDRAULIC PUMP

Wave power device

Systems and methods for obtaining energy from surface waves

WIND TURBINE

Apparatuses, methods and systems for harnessing the energy of fluid flow to generate electricity or pump fluid

Energy chain

VORTEX HYDROTURBINE AND METHOD FOR OPERATING THE VORTEX HYDROTURBINE

A WIND TURBINE

Apparatus for harvesting energy from waves

Stabilized floating platform structure

Method and apparatus for generating electricity

PITCH VARYING DEVICE, PITCH VARYING METHOD AND PITCH VARYING CONTROL DEVICE FOR WIND TURBINE BLADE AND WIND TURBINE

Submerged wave energy converter for shallow and deep water operations

Pontoon System for Producing Useful Work

Ocean wave energy exploiting and storing device

Fluid end crossbore

Hydroelectric turbine system

Method for controlling hydraulic pitch force system

Damping plate sand filtration system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

Method and system for diagnosing wind turbine power generating apparatus

Hydraulic drivetrain, method of starting same, power generator and method of starting same

WAVE DRIVEN ELECTRICAL POWER GENERATION SYSTEM AND METHODS

Wind energy to compressed fluid conversion and energy system

Submerged wave energy converter for deep water operations

Wind turbine power storage and regeneration

Working machine and cooling control system for the same

Hydraulic oil tank for power generation system and method for sealing hydraulic oil in said hydraulic oil tank

Measurement and use of hydraulic stiffness properties of hydraulic apparatus

Wave energy convertor

Articulating wave energy conversion system using a compound lever-arm barge

Vertical axis wind turbine

Flutter oscillation hydrofoil system utilizing a hydraulic power circuit to efficiently transmit harvested energy

Wave energy converter with a differential cylinder

Method and system for energy conversion from a flow of fluid

Mechanical system for extracting energy from marine waves

Pontoon System for Producing Useful Work

Fluid power gearbox and drivetrain for a wave energy converter

Wave energy converter with a depth adjustable paravane

Systems and methods for hydroelectric systems

Hinge system for an articulated wave energy conversion system

Wave energy conversion system

System and method for generated power from wave action

Hydraulic based efficient renewable energy storage and regeneration system

Method of actuating an ocean current electric power generator and an actuation control apparatus

HYDRAULIC TURBOMACHINE

Device for reversing a blade of a runner unit

Systems and methods for obtaining energy from surface waves

Energy transfer arrangement of a wave energy recovery apparatus

Wave energy recovery apparatus with an energy transfer arrangement

Wave energy absorption device, a power take-off assembly and a wave energy system

Controller for pendulum type wave-power generating apparatus

Power take off system for wave energy convertor

Pitch system locking arrangement

Energy transforming unit and energy transforming system comprising such a unit

Hinge system for an articulated wave energy conversion system

Hydraulic transmission

Hydraulic apparatus

System and method for generated power from wave action

Hybrid energy plant

Wind energy system and method for using same

Positive boyancy hydraulic power system and method

Radial piston pump and wind power generator

Absorber for a wind turbine

Wave energy conversion system

Segmented composite bearings and wind generator utilizing hydraulic pump/motor combination

Fail-safe actuation system

Transmission

Method of controlling depth of a buoyant submersible apparatus in a fluid flow

Overrun protection for wind turbines

Power generator utilizing fluid flow around an airfoil

Power transfer and generation using pressurized fluids

Power generating plant and floating plant for rivers and canals

Wave energy converter

Hydraulic-electrical transducer, transducer arrangement and method for driving a transducer

Articulated-raft/rotary-vane pump generator system

Hydraulic tidal and wind turbines with hydraulic accumulator

Hydraulic transmission methods and apparatus for wind turbines

Method for installing and servicing an apparatus recovering the kinetic energy of water, and an apparatus recovering the kinetic energy of water

Wave power energy generation using hydraulic cylinders in cooperation with a cross lifting lever

Fail-safe actuation system

Wind energy system and method for using same

Wind energy system and method for using same

Apparatus for extracting power from waves

Energy transforming unit and energy transforming system comprising such a unit

Fluid-working machine with multi-lobe ring cam

Direct drive wind turbine, transport system and method of construction of a direct drive wind turbine

Submerged electricity generation plane with marine current-driven rotors

Power generating apparatus of renewable energy type and method of attaching and detaching blade

Rotation blade attachment method for regeneration energy type electric generation apparatus

Additionally improved device and method for converting gravitational force to energy

DEVICE FOR RECOVERING SWELL ENERGY

System for converting tidal wave energy into electric energy

System for Converting Tidal Wave Energy Into Electric Energy

POWER GENERATION SYSTEMS AND METHODS

Wind turbine and method of construction of a wind turbine

ENERGY EXTRACTION DEVICE WITH ELECTRICAL GENERATOR AND METHOD OF OPERATING ENERGY EXTRACTION DEVICE ELECTRICAL GENERATOR

WAVE-ENERGY CONVERTER

Wave power plant

Wind turbine with hydrostatic transmission

CONTROLLER FOR PENDULUM TYPE WAVE-POWER GENERATING APPARATUS

Wind Turbine

HYDRAULIC APPARATUS

Fluid energy apparatus and method

POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE

Systems for optimizing wave energy for renewable energy generation

Power generating apparatus of renewable energy type

Multi-mode wave energy converter devices and systems

Pitch and heave driven wave energy converter system including cable supported reaction masses

Ball and socket power cable connector

Wave energy converter with rotary hydraulic spring

Wave power generator

Wind generator with water float sail

Method for positioning a hydraulic accumulator on a wind-powered electric generator

Efficient energy conversion devices and methods

System and method for storing energy

POWER CAPTURE SYSTEM AND METHOD

WAVE ENERGY CONVERSION APPARATUS AND METHOD

Wave power generator

Wind-power and hydraulic generator apparatus

High efficiency infinitely variable fluid power transformer

System and method for storing energy

Power generating apparatus of renewable energy type

METHOD AND APPARATUS FOR EXTRACTING ENERGY FROM A FLUCTUATING ENERGY FLOW FROM A RENEWABLE ENERGY SOURCE

Wind turbine generator and tidal current generator and operation method thereof

WAVE ENERGY CONVERSION SYSTEM

Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source

Hydraulic wave energy converter with variable damping

Hydraulic pump structure for wind turbine generator or tidal current generator and method of mounting hydraulic pump

Power generating apparatus of renewable energy type

Wind turbine generator and tidal current generator with a hydraulic transmission

Wind turbine generator with a control unit for controlling a rotation speed of a main shaft

Fluid-working machine and method of operating a fluid-working machine

TECHNIQUES FOR THE EFFICIENT GENERATION OF ELECTRIC CURRENT BY TRANSLATION OF FORCE THROUGH HYDRAULIC COUPLING

Power generating apparatus of renewable energy type and method for installing hydraulic pump

POWER TRANSMISSION SYSTEM

Fluid-Working Machine with Multi-Lobe Ring Cam

Ocean wave energy converter with multiple capture modes

WAVE POWER GENERATOR

ENERGY GENERATION USING INTERMEDIARY BUFFERING

METHOD AND APPARATUS FOR ENERGY GENERATION

POWER CAPTURE SYSTEM AND METHOD

Segmented composite bearings and wind generator utilizing hydraulic pump/motor combination

Method and apparatus for converting ocean wave energy into electricity

Wind turbine generator and soundness diagnosis method thereof

Wave energy converter

APPARATUS AND METHOD FOR ADJUSTING THE YAW OF A NACELLE OF A WIND ENERGY SYSTEM

Maritime device for producing electric power

Hydraulic supply unit

Self-propelled, laterally deployed, ocean wave energy converting power plant/beach replenishment system/oil spill containment boom

HYDRAULIC YAW DRIVE SYSTEM FOR A WIND TURBINE AND METHOD OF OPERATING THE SAME

HYDRAULIC DEVICE THAT COMMANDS AND ACTIONS SO AUTOMATIC THE BRAKE OF A PUMPING WINDMILL

DYNAMIC FLUID ENERGY CONVERSION

Piecewise variable displacement power transmission

Wave Motion Power Generator

Wind turbine

Wind To Electric Energy Conversion With Hydraulic Storage

Energy converter device with reactive hydraulic power transformer

Wave energy converters

Generation of electric energy using cable-supported windmills

MARINE ENERGY EXTRACTION SYSTEMS AND UNITS

HYDROSTATIC LINEAR WIND MILL FOR WIND ENERGY HARNESSING APPLICATIONS

Communicating energy storages with different functions

BLADE PITCH-ANGLE CONTROL APPARATUS AND WIND TURBINE GENERATOR

Hydraulic system and method for operating a brake of a wind turbine

Energy converting device

Hydraulic wind farms for grid electricity and desalination

Wind turbine with hydraulic swivel

Method and apparatus for ocean energy conversion, storage and transportation to shore-based distribution centers

DEVICE FOR CONVERTING A BIDIRECTIONAL ROTATION MOTION AROUND TWO ROTATION AXES INTO AN UNIDIRECTIONAL ROTATION MOTION AROUND A SINGLE ROTATION AXIS, AND POWER PRODUCTION SYSTEM USING SAID DEVICE

Ocean wave energy converter capturing heave, surge and pitch motion

Heaving ocean wave energy converter

Variable ratio transmission

WIND TURBINE WITH ROTATING HYDROSTATIC TRANSMISSION SYSTEM

Water flow electric power generator

METHOD FOR INSTALLING AND SERVICING AN APPARATUS RECOVERING THE KINETIC ENERGY OF WATER, AND AN APPARATUS RECOVERING THE KINETIC ENERGY OF WATER

Electrical Power Generation via the Movement of a Fluid Body

Apparatus for positioning a gearbox in a wind energy plant

BUOYANCY PUMP POWER SYSTEM

Hydraulic drive train with energy dissipation for electricity generation

Unity wind power plant with vertical axis of rotation

Device for converting the ripple and/or the oscillations of a liquid in which it is at least partly immersed, into usable energy

System for converting tidal wave energy into electric energy

Wave energy converter

Wave power plant

WAVE ENERGY RECOVERY SYSTEM

Motor vehicles

Motor Vehicles

Differential gear on a wind power plant and method for changing or switching the power range of said differential gear

Wind energy system with fluid-working machine with non-symmetric actuation

DEVICE FOR UTILIZING OCEAN-WAVE ENERGY

WIND TURBINE SYSTEM

System for rotating a wind turbine blade

Method of extracting energy from ocean waves

Hydro-wind power generating turbine system and retrofitting method

Vertical axis wind turbine

System and method for storing energy

Turbine driven electric power production system and a method for control thereof

Fluid energy apparatus and method

PUMP, POWER PLANT, A WINDMILL, AND A METHOD OF PRODUCING ELECTRICAL POWER FROM WIND ENERGY

Power generation systems and methods

Wave energy recovery system

Wave-Powered Energy Conversion System

METHODS AND APPARATUS FOR ADVANCED WIND TURBINE DESIGN

Driving Apparatus for a Wave Power Device

Installation comprising a wave power apparatus and a support structure therefor

Fluid motion energy converter

Drive train for an immersion energy production system

Wave energy plant for electricity generation

Variable-speed transmission for a power-generating plant

Dynamic Fluid Energy Conversion System and Method of Use

Wave power generating plant

Buoyancy pump power system

VERTICAL AXIS WIND TURBINE

Submersible turbine apparatus

Wave energy recovery system

Methods and apparatus for advanced wind turbine design

Wave power apparatus comprising a plurality of arms arranged to pivot with a mutual phase shift

Wave power apparatus having a float and means for locking the float in a position above the ocean surface

Methods and apparatus for advanced wind turbine design

Drive train for the transmission of a variable power

Buoyancy pump power system

Device for inclusion in systems for converting the force of gravity to electricity by using the potential and kinetic energy of weights of land vehicles, descending from higher elevations

Wind turbine with hydraulic transmission

Hydraulic speed-increasing transmission for water current powered turbine

Hydraulic apparatus

Hydraulic brake system for a wind energy plant

Control system for a wind power plant with hydrodynamic gear

Wind power machine

Hydraulic power generating system

Bladeless wind turbine