- 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
|
3
|
5
|
0
|
3
|
1
|
2
|
1
|
6
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1484 |
5 |
| Dresser LLC | 290 |
5 |
| Typhonix AS | 16 |
4 |
| ZF Friedrichshafen AG | 7238 |
2 |
| Samson Aktiengesellschaft | 274 |
2 |
| Hyundai Motor Company | 23824 |
1 |
| Kia Motors Corporation | 7723 |
1 |
| Cameron International Corporation | 1368 |
1 |
| Control Components, Inc. | 33 |
1 |
| Dresser, Inc. | 96 |
1 |
| Eagle Industry Co., Ltd. | 1168 |
1 |
| Guangdong Liansu Technology Industrial Co., Ltd | 62 |
1 |
| HYDAC Fluidtechnik GmbH | 139 |
1 |
| Robertshaw Controls Company | 100 |
1 |
| Sime SRL | 26 |
1 |
| Total SA | 478 |
1 |
| WABCO Automotive UK Limited | 8 |
1 |
| Blue Diesel Pty Ltd | 2 |
1 |
| Shanghai Institute of Space Propulsion | 12 |
1 |
| Totalenergies Onetech | 1491 |
1 |
| Other owners | 4 |