- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 9/01 - Rigid pipes of wood
Patent holdings for IPC class F16L 9/01
Total number of patents in this class: 6
10-year publication summary
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0
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0
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1
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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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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
1 |
| Zhejiang Xinzhou Bamboo-based Composites Technology Co., Ltd | 38 |
1 |
| Ling Ye | 5 |
1 |
| Rivulis Plastro Ltd. | 28 |
1 |
| Pålskog Teknik AB | 7 |
1 |
| Forsnäs Form AB | 1 |
1 |
| Other owners | 0 |