F05B 2250/291
Hollowed
Official title: hollowed
F05B2250/291 (Hollowed) appears on 3 US grants and 4 published applications in this corpus.
Search patents in F05B- Granted patents
- 3
- Published applications
- 4
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
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- Fluid power generator and power generation system comprising same12 May 2022US 2022/0145852 A1
- A de-icing system for a wind turbine blade7 Sep 2017US 2017/0254316 A1Lm Wp Patent Holding A/S
- Wind-powered electricity generator8 May 2008US 2008/0106102 A1
Most cited
By later US patents