- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 13/22 - Covers or similar closure members for pressure vessels in general with movement parallel to the plane of the opening
Patent holdings for IPC class F16J 13/22
Total number of patents in this class: 19
10-year publication summary
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1
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0
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0
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1
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0
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1
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2
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0
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2
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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
|
|---|---|---|
| Sartorius Stedim Aseptics | 13 |
4 |
| ABC Transfer | 31 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| China National Petroleum Corporation | 245 |
1 |
| China Petroleum Pipeline Bureau | 2 |
1 |
| Fulgosi S.r.l. | 3 |
1 |
| RMC Heavy Duty Trailer Parts | 3 |
1 |
| Sullair, LLC | 44 |
1 |
| Zhejiang Canaan Technology Limited | 24 |
1 |
| Toyo Koatsu Co., Ltd. | 25 |
1 |
| China Petroleum Pipeline Engineering Co., Ltd. | 2 |
1 |
| Tiger Valve Company | 1 |
1 |
| Amafilter BV | 1 |
1 |
| China Petroleum Pipeline Machinery Manufacture Co., Ltd. | 1 |
1 |
| Dima PureTech Co., Ltd. | 1 |
1 |
| Other owners | 0 |