- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/08 - Check valves with guided rigid valve members shaped as rings
Patent holdings for IPC class F16K 15/08
Total number of patents in this class: 63
10-year publication summary
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5
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4
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7
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8
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9
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6
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4
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3
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eagle Industry Co., Ltd. | 1129 |
4 |
| Ohlins Racing AB | 131 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
3 |
| Burckhardt Compression AG | 121 |
3 |
| Delaware Capital Formation, Inc. | 490 |
3 |
| Nuovo Pignone SRL | 202 |
3 |
| Daikin Industries, Ltd. | 10027 |
2 |
| Nelson Irrigation Corporation | 122 |
2 |
| Suzhou Dandun Electromechanical Co., Ltd | 4 |
2 |
| Robert Bosch GmbH | 42705 |
1 |
| Denso Corporation | 24355 |
1 |
| Artemis Intelligent Power Limited | 100 |
1 |
| Atlas Copco Compressors LLC | 18 |
1 |
| Cameron International Corporation | 1335 |
1 |
| Control Components, Inc. | 82 |
1 |
| Danfoss Commercial Compressors | 90 |
1 |
| Danfoss Power Solutions ApS | 147 |
1 |
| Danfoss (Tianjin) Ltd. | 99 |
1 |
| Dayco IP Holdings, LLC | 282 |
1 |
| Other owners | 23 |