F15B 1/045
Dead weight accumulators
Official title: {Dead weight accumulators}
F15B1/045 (Dead weight accumulators) appears on 7 US grants and 8 published applications in this corpus.
Search patents in F15B- Granted patents
- 7
- Published applications
- 8
- Assignees
- 8
- Inventors
- 24
- Latest grant
- 16 Dec 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
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Recent patents
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- Device, system and method for isothermal compression, constant-pressure power generation and physical energy storage15 Aug 2024US 2024/0271590 A1Northwestern Polytechnical University
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Most cited
By later US patents