- 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: 64
10-year publication summary
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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
|
1
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eagle Industry Co., Ltd. | 1178 |
4 |
| Ohlins Racing AB | 110 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
3 |
| Burckhardt Compression AG | 125 |
3 |
| Delaware Capital Formation, Inc. | 408 |
3 |
| Nuovo Pignone SRL | 214 |
3 |
| Daikin Industries, Ltd. | 10504 |
2 |
| Nelson Irrigation Corporation | 124 |
2 |
| Siam Compressor Industry Co., Ltd. | 29 |
2 |
| Suzhou Dandun Electromechanical Co., Ltd | 4 |
2 |
| Robert Bosch GmbH | 44176 |
1 |
| Denso Corporation | 25579 |
1 |
| Artemis Intelligent Power Limited | 89 |
1 |
| Atlas Copco Compressors LLC | 15 |
1 |
| Cameron International Corporation | 1371 |
1 |
| Danfoss Commercial Compressors | 96 |
1 |
| Danfoss Power Solutions ApS | 147 |
1 |
| Danfoss (Tianjin) Ltd. | 110 |
1 |
| Dayco IP Holdings, LLC | 276 |
1 |
| Other owners | 23 |