F05B 2250/21
Pyramidal
Official title: pyramidal
F05B2250/21 (Pyramidal) appears on 17 US grants and 21 published applications in this corpus.
Search patents in F05B- Granted patents
- 17
- Published applications
- 21
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 4 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Inspection systems and methods with airfoil sheaths11 Nov 2025US 12,468,869 B2Rtx Corporation
- Energy conversion system for converting wind energy into electrical energy7 May 2024US 11,976,624 B2
- Turbine engine with an airfoil having a set of dimples19 Mar 2024US 11,933,193 B2GE Avio S. r. l.
- Helical strake set to reduce vortex induced vibrations of an Eolic tower30 Jan 2024US 11,885,300 B2Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Wind turbine with vertical axis of rotation of the rotor and floating wind farm comprising a plurality of such wind turbines9 Jan 2024US 11,867,152 B2
- Steep pyramidal structure of electricity3 Sep 2026US 2026/0258774 A1
- Inspection systems and methods with airfoil sheaths28 Sep 2023US 2023/0306163 A1Raytheon Technologies Corporation
- Energy conversion system for converting wind energy into electrical energy19 Jan 2023US 2023/0021115 A1Ingenieurbüro Immig GmbH
- A helical strake set to reduce vortex induce vibrations of an eolic tower6 Oct 2022US 2022/0316448 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Turbine engine with an airfoil having a set of dimples14 Jul 2022US 2022/0220854 A1GE Avio S. r. l.
Most cited
By later US patents
- Pre-stressed concrete tower for wind power generators61US 7,739,843 B22010
- Multi-point tethering and stability system and control method for underwater current turbine14US 8,237,304 B2Aquantis, Inc. · 2012
- Structure and methods using multi-systems for electricity generation and water desalination5US 7,552,589 B2Msc Power (S) Pte Ltd · 2009
- Archimedean modular / multi-axis rotor (AMR)4US 8,932,005 B22015
- Modular multi-axial rotor3US 9,404,476 B22016