F05D 2260/52
Involving springs
Official title: involving springs
F05D2260/52 (Involving springs) appears on 147 US grants and 162 published applications in this corpus.
Search patents in F05D- Granted patents
- 147
- Published applications
- 162
- Assignees
- 56
- Inventors
- 319
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 10 |
| 2011 | 1 | 4 |
| 2012 | 4 | 3 |
| 2013 | 5 | 3 |
| 2014 | 5 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 12 |
| 2017 | 3 | 13 |
| 2018 | 10 | 26 |
| 2019 | 27 | 23 |
| 2020 | 34 | 20 |
| 2021 | 12 | 9 |
| 2022 | 10 | 5 |
| 2023 | 11 | 8 |
| 2024 | 10 | 6 |
| 2025 | 3 | 4 |
| 2026 | 3 | 3 |
By publication year. 2026 runs to 8 Oct.
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