F05D 2270/024
To keep rotational speed constant
Official title: to keep rotational speed constant
F05D2270/024 (To keep rotational speed constant) appears on 57 US grants and 63 published applications in this corpus.
Search patents in F05D- Granted patents
- 57
- Published applications
- 63
- Assignees
- 33
- Inventors
- 138
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 4 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 7 |
| 2019 | 7 | 8 |
| 2020 | 7 | 2 |
| 2021 | 2 | 2 |
| 2022 | 4 | 10 |
| 2023 | 6 | 2 |
| 2024 | 8 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Control system for an auxiliary power unit38US 6,777,822 B1Hamilton Sundstrand Corporation · 2004
- Gas turbine control system18US 6,945,030 B2Kabushiki Kaisha Toshiba · 2005
- Gas turbine control system11US 7,117,662 B2Kabushiki Kaisha Toshiba · 2006
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- Gas turbine apparatus10US 7,093,443 B2Ebara Corporation · 2006