F05B 2270/337
Electrical grid status parameters
Official title: Electrical grid status parameters, e.g. voltage, frequency or power demand
F05B2270/337 (Electrical grid status parameters) appears on 374 US grants and 414 published applications in this corpus.
Search patents in F05B- Granted patents
- 374
- Published applications
- 414
- Assignees
- 93
- Inventors
- 638
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 8 |
| 2005 | 7 | 6 |
| 2006 | 4 | 4 |
| 2007 | 6 | 10 |
| 2008 | 12 | 12 |
| 2009 | 6 | 19 |
| 2010 | 9 | 15 |
| 2011 | 21 | 30 |
| 2012 | 23 | 25 |
| 2013 | 13 | 18 |
| 2014 | 15 | 13 |
| 2015 | 15 | 20 |
| 2016 | 19 | 10 |
| 2017 | 11 | 16 |
| 2018 | 14 | 18 |
| 2019 | 21 | 31 |
| 2020 | 24 | 34 |
| 2021 | 31 | 25 |
| 2022 | 27 | 43 |
| 2023 | 22 | 20 |
| 2024 | 35 | 13 |
| 2025 | 32 | 12 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for yaw control of a wind turbine and a wind turbine having a yaw control4 Aug 2026US 12,698,753 B2Nordex Energy GmbH
- System and method for providing gearbox lubrication of a wind turbine during an off-grid state4 Aug 2026US 12,698,760 B2GE Vernova Infrastructure Technology LLC
- System and method for detecting and responding to rotor blade damage in a wind turbine21 Apr 2026US 12,607,163 B2GE Vernova Renovables Espana, S.L.U.
- Grid frequency control in an offshore wind farm24 Feb 2026US 12,560,151 B2ABB Schweiz AG
- Method for operating a wind turbine and wind turbine3 Feb 2026US 12,540,599 B2Ingenieurbuero Hoffmann GmbH
- Grid-forming island detection and continuous operation of an inverter-based resource13 Aug 2026US 2026/0238017 A1GE Vernova Renovables Espana, S.L.
- Grid forming control of grid connected power converter9 Jul 2026US 2026/0196830 A1Vestas Wind Systems A/S
- System and method for extending the operating speed threshold of a grid-forming inverter-based resource9 Jul 2026US 2026/0196832 A1General Electric Renovables Espana, S.L.
- Operating wind turbines in a microgrid14 May 2026US 2026/0132770 A1Siemens Gamesa Renewable Energy A/S
- Windmill generator with linear to rotary actuator23 Apr 2026US 2026/0110290 A1Henry Investment Group LLC
Most cited
By later US patents
- Islanding-operation prevention apparatus, and dispersed power generation apparatus and power generation system using the same282US 5,686,766 ACanon Kabushiki Kaisha · 1997
- Variable speed distributed drive train wind turbine system147US 7,042,110 B2Clipper Windpower Technology, Inc. · 2006
- Wind turbine having a main power converter and an auxiliary power converter and a method for the control thereof130US 8,188,610 B2General Electric Company · 2012
- Continuous reactive power support for wind turbine generators91US 6,924,565 B2General Electric Company · 2005
- Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control73US 7,015,595 B2Vestas Wind Systems A/S · 2006