- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 47/12 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling channel being of helical form
Patent holdings for IPC class F16K 47/12
Total number of patents in this class: 37
10-year publication summary
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3
|
5
|
0
|
2
|
1
|
2
|
1
|
4
|
3
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1494 |
5 |
| Dresser LLC | 283 |
5 |
| Typhonix AS | 16 |
4 |
| ZF Friedrichshafen AG | 7198 |
2 |
| Samson Aktiengesellschaft | 277 |
2 |
| Hyundai Motor Company | 23122 |
1 |
| Kia Motors Corporation | 7740 |
1 |
| Cameron International Corporation | 1357 |
1 |
| Control Components, Inc. | 42 |
1 |
| Dresser, Inc. | 99 |
1 |
| Eagle Industry Co., Ltd. | 1158 |
1 |
| Guangdong Liansu Technology Industrial Co., Ltd | 63 |
1 |
| HYDAC Fluidtechnik GmbH | 137 |
1 |
| Robertshaw Controls Company | 96 |
1 |
| Sime SRL | 26 |
1 |
| Total SA | 484 |
1 |
| WABCO Automotive UK Limited | 9 |
1 |
| Blue Diesel Pty Ltd | 2 |
1 |
| Shanghai Institute of Space Propulsion | 11 |
1 |
| Totalenergies Onetech | 1462 |
1 |
| Other owners | 4 |