- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 13/04 - Detachable closure membersMeans for tightening closures attached with a bridge member
Patent holdings for IPC class F16J 13/04
Total number of patents in this class: 5
10-year publication summary
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1
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0
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0
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0
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0
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0
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2
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Anelva Corporation | 683 |
1 |
| Dynasafe Demil Systems AB | 23 |
1 |
| Rehau AG + Co | 394 |
1 |
| TRW Automotive GmbH | 562 |
1 |
| Gartech, LLC | 19 |
1 |
| Other owners | 0 |