Patent No. EP1959130 (titled "Method For Optimizing The Operation Of A Wind Turbine") was filed by General Electric on Feb 1, 2008. The application was issued on Oct 28, 2020.
A control system for wind turbines that optimizes turbine performance by identifying and correcting sensor drift and abrupt changes in sensor signals, rather than relying on theoretical models. The system continuously monitors sensor data and controller set points to detect deviations, which are then corrected through bias or offset adjustments. This approach enables more accurate control of wind turbine operation, even in the presence of sensor errors or changes in turbine properties over time.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| VESTAS WIND SYSTEMS | Feb 5, 2018 | SAMSON & PARTNER PATENTANWALTE MBB |
| ENERCON | Feb 2, 2018 | EISENFUHR SPEISER |
| SUZLON ENERGY | Feb 2, 2018 | MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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