F01L 2009/4088
Fail safe
Official title: {Fail safe, e.g. valve kept closed if not opening properly}
F01L2009/4088 (Fail safe) appears on 3 US grants and 3 published applications in this corpus.
Search patents in F01L- Granted patents
- 3
- Published applications
- 3
- Assignees
- 3
- Inventors
- 12
- Latest grant
- 7 Jun 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
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Recent patents
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Most cited
By later US patents