F05B 2250/13
Trapezial
Official title: trapezial
F05B2250/13 (Trapezial) appears on 61 US grants and 73 published applications in this corpus.
Search patents in F05B- Granted patents
- 61
- Published applications
- 73
- Assignees
- 41
- Inventors
- 113
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 1 | 5 |
| 2011 | 3 | 3 |
| 2012 | 5 | 5 |
| 2013 | 5 | 4 |
| 2014 | 1 | 4 |
| 2015 | 3 | 3 |
| 2016 | 2 | 2 |
| 2017 | 5 | 5 |
| 2018 | 5 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 3 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 4 | 6 |
| 2025 | 4 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for conversion of wave energy into electrical energy17 Mar 2026US 12,577,931 B2
- Device comprising an asymmetrical adjustable wing profile24 Feb 2026US 12,560,149 B2
- Wind turbine blade24 Jun 2025US 12,338,788 B2Vestas Wind Systems A/S
- Vertical axis wind turbine with polygonal mast13 May 2025US 12,297,807 B2Wind Harvest International Inc
- Portable electricity generation system and method of use22 Apr 2025US 12,280,688 B2
- Portable electricity generation system and method of use26 Jun 2025US 2025/0206170 A1
- Device for conversion of wave energy into electrical energy1 May 2025US 2025/0137429 A1
- Device comprising an asymmetrical adjustable wing profile16 Jan 2025US 2025/0020101 A1
- Wind turbine blade12 Dec 2024US 2024/0410332 A1Vestas Wind Systems A/S
- Vertical axis wind turbine with polygonal mast3 Oct 2024US 2024/0328386 A1Wind Harvest International Inc
Most cited
By later US patents
- Wind turbine provided with nacelle46US 6,830,436 B2Mitsubishi Heavy Industries, Ltd. · 2004
- Wind turbine42US 7,160,085 B2Mecal Applied Mechanics B.V. · 2007
- Power generation assemblies, and apparatus for use therewith41US 7,293,960 B22007
- Apparatus for impingement cooling35US 5,467,815 AABB Research Ltd. · 1995
- Modular array fluid flow energy conversion facility30US 7,804,186 B2V Squared Wind, Inc. · 2010