Our Patents
The most innovative aspects of our solutions are protected by means of international patents.
US 2020/0157759 A1
FOUNDATION FOR A TOWER OF A WIND-TURBINE
Foundation for a tower of a wind turbine with at least three columns.
Entered into national/regional phase in USA, Germany, Sweden, Spain, China, India, Brazil
WO2019/129894 A1
SYSTEM FOR CONTROLLING BOLT PRETENSIONING
Patent of the system for controlling bolt pretensioning, a technology used in the XPACER.
Entered into national/regional phase in EP, US, CN, IN & BR
WO2017/174828 A1
DEVICE FOR JOINING A MODULAR BLADE
Patent of the expandable spacer that allows the tightening of the bolts of the modular blade connection, with low application force and high precision.
Entered into national/regional phase in EP, US, CN, IN & BR
WO2017/140918 A1
TEST BENCH AND METHOD OF USE
Patent of a test bench and test method to validate blade segments including modular blade connections
Entered into regional phase in ES, DE, DK
WO2017/203065 A1
TOWER SECTION FOR RAISING A WIND TURBINE
Patent of the Self-Erecting Tower Stucture, designed to be connected under a standard tubular tower and be able to be erected without large cranes.
Entered into national/regional phase in EP, US, CN, IN & BR
WO2017/140919 A1
TEST DEVICE FOR TOWERS AND FOUNDATIONS
Patent of a connection for connecting a tubular tower to lattice work, the connection joining a tubular tower of an onshore or offshore wind turbine to lattice work that comprises a plurality of columns.
Entered into regional phase in ES
WO2015/150594 A1
WIND TURBINE ASSEMBLY SYSTEM AND RELATED METHOD
Patent of a system for assembling wind turbine without using cranes which has lifting systems
Entered into national/regional phase in EP, US, CN, IN & BR
WO2019043272 A1
CONNECTION FOR CONNECTING A TUBULAR TOWER TO LATTICE WORK
Connection for conecting a tubular tower to lattice work.
Entered into national/regional phase in EP, US, CN, IN & BR
WO2019129894 A1
![WO2019129894A1[1]](https://www.nabrawind.com/wp-content/uploads/2021/11/WO2019129894A11-396x560.png "WO2019129894A1[1]")
SYSTEM FOR CONTROLLING BOLT PRETENSIONING
Tensioning tool acting according to the measured distance between the ends of the wedges and the washers.
Entered into national phase in US, CN, DE, DK, ES
WO2015/181401 A1
SCREWED CONNECTION FOR A MODULAR BLADE
Patent of a screwed connection for a modular blade, formed by a single bolt which connects inserts.
Entered into national/regional phase in EP, US, CN, IN & BR
MU1276849
![U1276849[1]](https://www.nabrawind.com/wp-content/uploads/2021/11/U12768491-396x560.png "U1276849[1]")
NOVEL WIND TURBINE AND ANCHORING SYSTEM THEREOF
Novel wind turbine ending with tree legs which is anchored depending on the type of existing soil.
Entered into national phase in BR, US, CN, IN, AU, DK, DE, ES
WO2021084143
TRANSITION COMPONENT FOR WIND TURBINE TOWER
Comprising a hollow truncated cone-shaped, an upper ring with cross-members and a lower ring with struts.
Entered into national phase in BR, US, CN, IN, AU, DK, DE, ES
WO2022018306
![WO2022018306[71]](https://www.nabrawind.com/wp-content/uploads/2022/04/WO202201830671-396x560.pdf "WO2022018306[71]")
FAIRING FOR MODULAR BLADE
Fairing constituted of an elastomeric material and supported in a rigid framework to absorb the warping.
Entered into national phase in EP, US, CN, IN, BR and AU.
