Jacket Foundation Offshore Wind 2026 — PatSnap Eureka
Jacket Foundation Offshore Wind Technology Landscape 2026
Multi-legged lattice steel substructures are the critical enabling technology for offshore wind expansion into transitional water depths of 25–60 m. This report maps the patents, assignees, and emerging IP directions shaping the next generation of jacket foundations.
Fixed-Bottom Lattice Structures for Transitional Water Depths
Jacket foundations for offshore wind turbines are fixed-bottom, multi-legged lattice structures composed of tubular steel members — corner piles, braces, and struts — that distribute hydrodynamic, aerodynamic, and gravitational loads from the turbine tower into the seabed. They are consistently positioned as the preferred structural solution for water depths where monopiles lose cost competitiveness (approximately 30–60 m), before floating platforms become necessary (typically >60–80 m).
The National Renewable Energy Laboratory (NREL) study comparing jackets and monopiles along the U.S. eastern seaboard identifies multimember lattice structures as capable of delivering required stiffness at potentially lower levelized cost of energy (LCOE) for transitional water depths, establishing the economic rationale central to ongoing patent activity.
The technology spans several sub-domains: structural topology design, foundation anchoring via suction bucket and driven-pile systems, transition piece and connectivity engineering, integrated access systems, and optimization algorithms applying meta-heuristic methods to minimize steel mass while satisfying structural and frequency constraints. For a deeper view of the broader clean energy IP landscape, PatSnap's platform covers 2B+ data points across 120+ countries.
According to the International Renewable Energy Agency (IRENA), offshore wind capacity is projected to expand significantly into deeper waters over the next decade, making jacket foundation IP increasingly strategically important. The PatSnap Analytics platform enables R&D teams to monitor these trends in real time.
Four Patent Clusters Defining Jacket Foundation Innovation
Based on retrieved patent and literature records, jacket foundation R&D organizes into four distinct technology clusters, each addressing a different engineering challenge in the 25–60 m water depth range.
Driven-Pile Steel Lattice Jacket Structures
The classical jacket approach uses tubular steel corner legs driven or grouted into the seabed, connected by a space-frame of diagonal and horizontal braces. Aerodyn Engineering GmbH (2008) claimed inclined foundation legs whose central axes intersect within the tower circumference — optimizing moment transfer from tower base to seabed. BARD Engineering GmbH (2006) claimed a regular-geometry steel-tube platform with n corners and radial struts positioned above average sea level but below maximum wave height for 30–50 m depths.
Dominant commercial configurationSuction Bucket Jacket Foundations
Suction caissons replace driven piles with bucket-type foundations suctioned into the seabed, eliminating pile-driving noise, reducing installation time, and enabling reversibility. GeoSea NV (EP, 2020, active) patented a suction-bucket jacket with an eccentric ballast holder on the upper side to maintain verticality during seabed penetration — the most technically sophisticated jacket-specific patent in this dataset and the sole active EP jacket patent.
Highest recent IP activity zoneIntegrated Access and Secondary Structural Systems
Operational accessibility is a persistent cost driver in offshore wind O&M. Maritime Offshore Group GmbH (2015, DE) claimed a jacket section with a platform located at least partially inside the jacket section, integrated with a receptacle for a tower shaft — a configuration that simplifies crew access geometry and reduces secondary steel requirements. This sub-cluster addresses integration of boat landing, gangway, and platform systems directly into the jacket frame.
O&M cost reduction focusModular and Adjustable Support Frame Systems
Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. (2025, BR, active) claimed a hollow-frame support structure comprising multiple beam structures where the relative position between at least one pair of beams is adjustable, and a height-direction support platform for electrical apparatus — enabling a single support frame design to serve multiple turbine classes. Structural optimization research using CBO/ECBO algorithms (2017) established the computational backbone for optimized modular designs.
Newest direction — 10 MW+ turbinesPatent Landscape: Clusters, Geography, and Patent Status
Visual analysis of the jacket foundation patent dataset — technology cluster distribution, assignee geography, and active versus inactive IP status across key filings.
Patent Activity by Technology Cluster
Driven-pile lattice structures dominate by volume (3 key results), while suction bucket and modular frame clusters represent the highest-growth recent zones.
Active vs. Inactive Patent Status — Key Jacket Filings
Early German filings (BARD, Aerodyn 2008, Maritime Offshore) have lapsed, opening design space. GeoSea NV, Goldwind (2025), and Kunsan National University hold active positions.
Patent Jurisdiction Distribution — Key Jacket Foundation Filings
Germany (DE) dominates foundational filings; EP/BR/US/JP represent active current jurisdictions. East Asian jurisdictions (KR, TW, CN) show low patent density relative to anticipated deployment volumes.
Key Assignees and Patent Status Across Jurisdictions
Eight or more distinct assignees produce jacket-relevant results in this dataset. None holds more than 2 direct jacket patents — a distributed landscape open to new entrants.
Monitor continuation filings from Goldwind and GeoSea NV
Set up real-time patent alerts across KR, TW, and CN jurisdictions where density is low relative to deployment volumes.
Five Innovation Signals Shaping Jacket Foundation IP
Based on the most recent filings and publications in this dataset, these directions represent the frontier of jacket foundation R&D and the highest-opportunity zones for new IP positioning.
Adjustable/Modular Frame Architecture (2025)
The Goldwind filing (BR, 2025) introducing adjustable relative positioning between beam structures represents the clearest signal of a move toward platform-agnostic, reconfigurable jacket substructures that can serve multiple turbine classes without full redesign — a response to rapid turbine size escalation (10 MW+, 15 MW+ classes).
Suction Bucket Integration with Self-Leveling Mechanisms (2020)
The GeoSea NV EP patent (2020) combining suction buckets with eccentric ballast compensation addresses a long-standing installation challenge — maintaining verticality during bucket penetration on uneven seabeds. This is likely to attract follow-on filings as suction-bucket jackets move toward commercial scale.
Where to Focus Jacket Foundation IP Strategy
The suction-bucket jacket sub-segment is the highest-IP-activity zone in this dataset's recent filings. R&D teams targeting differentiated IP positions should focus on installation efficiency, self-leveling mechanisms, and reversible anchoring systems rather than the already-crowded driven-pile topology space where most foundational patents have expired.
East Asian markets (South Korea, Taiwan, China) are the fastest-moving demand centers for transitional-depth jacket technology, as evidenced by the concentration of post-2020 literature and the Goldwind 2025 export filing. IP strategists should audit coverage in KR, TW, and CN jurisdictions, where current patent density in this dataset is low relative to anticipated deployment volumes. The PatSnap Analytics platform enables systematic jurisdiction gap analysis across these markets.
Structural optimization algorithms (CBO/ECBO, FEA-based) are becoming standard design tools but are largely unprotected at the patent level in this dataset — representing an opportunity for firms to develop proprietary digital design tools with IP protection around the optimization workflow rather than the structural geometry alone. The PatSnap customer community includes R&D teams that have successfully built IP moats around computational design workflows.
The integration of cable routing within jacket foundation members (LWA Renewables, JP 2024) represents a convergence of structural and balance-of-plant IP that could create significant cost advantages at scale. According to the International Energy Agency (IEA), inter-array cable costs grow significantly with increasing water depth, making this direction strategically important. The PatSnap platform enables monitoring of follow-on filings from this patent family across all major wind markets.
Jacket Foundation Offshore Wind — key questions answered
Jacket foundations are consistently described as the preferred fixed-bottom solution for water depths of approximately 25–60 m, where monopile diameters become uneconomical and floating platforms remain immature commercially.
Suction caissons replace driven piles with bucket-type foundations suctioned into the seabed, eliminating pile-driving noise, reducing installation time, and enabling reversibility.
GeoSea NV holds the sole active EP jacket patent in this dataset, representing the most commercially current European position. Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. filed the most recent active patent (2025, BR). Kunsan National University holds an active US patent (2023).
The high proportion of inactive status among early German filings reflects the natural expiration and attrition of first-generation IP, opening design space for new entrants.
Based on the most recent filings and publications (2022–2025), four directions are observable: adjustable/modular frame architecture, suction bucket integration with self-leveling mechanisms, site-specific topology optimization for East Asian markets, and cable integration in foundation structures.
Innovation is not concentrated in a single dominant player. Among the 8+ distinct assignees producing jacket-relevant results, none holds more than 2 direct jacket patents in this dataset. This distributed landscape suggests the field remains open to new entrants, particularly in suction-bucket and modular-frame sub-segments.
Still have questions? Let PatSnap Eureka search the full jacket foundation patent database for you.
Ask PatSnap Eureka About Jacket FoundationsMap Every Jacket Foundation Patent Before Your Competitors Do
Join 18,000+ innovators already using PatSnap Eureka to accelerate their R&D and identify IP white space in offshore wind substructure technology.
References
- Development of jacket substructure systems supporting 3MW offshore wind turbine for deep water sites in South Korea — Quy Nhon University / Korean offshore wind program, 2022
- Support structure for an offshore wind turbine — GeoSea NV, 2020, EP (active)
- Foundation for an offshore wind turbine — Aerodyn Engineering GmbH, 2008, DE (inactive)
- Foundation platform for offshore wind turbine in sea depths of 30 to 50 metres — BARD Engineering GmbH, 2006, DE (inactive)
- Offshore foundation structure with gangway and improved boat landing — Maritime Offshore Group GmbH, 2015, DE (inactive)
- Support Device and Wind Generation Set — Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd., 2025, BR (active)
- A comparison study of offshore wind support structures with monopiles and jackets for U.S. waters — National Renewable Energy Laboratory (NREL), 2016
- Dynamic Analysis of Jacket Substructure for Offshore Wind Turbine Generators under Extreme Environmental Conditions — Institute of Nuclear Energy Research (INER), Taiwan, 2016
- Optimal Design of Jacket Supporting Structures for Offshore Wind Turbines Using CBO and ECBO Algorithms — Graduate research, 2017
- Offshore Wind Energy Systems — LWA Renewables GmbH, 2024, JP (active)
- Offshore Wind Farm — Aerodyn Engineering GmbH, 2017, DE (active)
- Wind Turbines Offshore Foundations and Connections to Grid — Universidad Politécnica de Madrid, 2020
- Gravity-Based Foundations in the Offshore Wind Sector — Universidad Politécnica de Madrid, 2019
- Discussion of Several Key Technologies about Offshore Wind Power — Tianjin Port Engineering Institute Ltd. of CCCC, 2018
- Concrete Support Structures for Offshore Wind Turbines: Current Status, Challenges, and Future Trends — Chalmers University of Technology, 2021
- Support structure for marine wind generator — Industry-Academic Cooperation Foundation, Kunsan National University, 2023, US (active)
- National Renewable Energy Laboratory (NREL) — U.S. Department of Energy offshore wind research
- International Renewable Energy Agency (IRENA) — Offshore wind capacity and deployment projections
- International Energy Agency (IEA) — Inter-array cable cost analysis and offshore wind economics
All data and statistics on this page are sourced from the references above and from PatSnap's proprietary innovation intelligence platform. This landscape is derived from a limited set of patent and literature records retrieved across targeted searches and represents a snapshot of innovation signals within this dataset only.
PatSnap Eureka searches patents and research to answer instantly.