- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 13/04 - Detachable closure members; Means for tightening closures attached with a bridge member
Patent holdings for IPC class F16J 13/04
Total number of patents in this class: 6
10-year publication summary
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0
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Anelva Corporation | 676 |
1 |
| Dynasafe Demil Systems AB | 23 |
1 |
| Kobe Steel, Ltd. | 912 |
1 |
| Rehau AG + Co | 419 |
1 |
| TRW Automotive GmbH | 595 |
1 |
| Gartech, LLC | 18 |
1 |
| Other owners | 0 |