- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/28 - Movable sealing bodies
Patent holdings for IPC class F16K 1/28
Total number of patents in this class: 7
10-year publication summary
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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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3
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0
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2
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1
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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
|
|---|---|---|
| ITT Manufacturing Enterprises LLC | 408 |
2 |
| Goodrich Corporation | 2101 |
1 |
| KENDRION (Villingen) GmbH | 77 |
1 |
| Lavelle Industries, Inc. | 81 |
1 |
| Consolidated Foam | 2 |
1 |
| Shandong Future Robot Co., Ltd | 2 |
1 |
| Other owners | 0 |