F05B 2250/131
Polygonal
Official title: polygonal
F05B2250/131 (Polygonal) appears on 22 US grants and 26 published applications in this corpus.
Search patents in F05B- Granted patents
- 22
- Published applications
- 26
- Assignees
- 18
- Inventors
- 52
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device comprising an asymmetrical adjustable wing profile24 Feb 2026US 12,560,149 B2
- Wind turbine tower section, wind turbine tower, and method for assembly4 Jun 2024US 12,000,376 B2ArcelorMittal
- Method for producing a split rotor blade, and rotor blade31 Oct 2023US 11,802,541 B2Wobben Properties GmbH
- Vertical axis wind turbine air concentration tower with reduced radar cross section20 Dec 2022US 11,530,682 B2
- Wind park31 May 2022US 11,346,322 B2Gox AB
- Device comprising an asymmetrical adjustable wing profile16 Jan 2025US 2025/0020101 A1
- Energy converter for ocean waves and method for using thereof5 Sep 2024US 2024/0295208 A1Havkraft AS
- Vertical axis wind turbine air concentration tower with reduced radar cross section27 Jan 2022US 2022/0025850 A1
- Wind turbine tower section, wind turbine tower, and method for assembly9 Dec 2021US 2021/0381492 A1ArcelorMittal
- Method for producing a split rotor blade, and rotor blade25 Feb 2021US 2021/0054822 A1Wobben Properties GmbH
Most cited
By later US patents
- Wind turbine42US 7,160,085 B2Mecal Applied Mechanics B.V. · 2007
- Vibration reduction system for a wind turbine23US 7,220,104 B2General Electric Company · 2007
- Wind turbine tower, a wind turbine, a wind turbine tower elevator and a method for assembling a wind turbine tower14US 7,877,935 B2Vestas Wind Systems A/S · 2011
- Structural component having a twisted profile and method and apparatus for producing such structural component12US 4,583,891 AMesserschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung · 1986
- Tapered polygon coupling6US 6,461,111 B1Ingersoll-Rand Company · 2002