- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/32 - Operating meansReleasing devices actuated by fluid actuated by a float actuating a tap or cock
Patent holdings for IPC class F16K 31/32
Total number of patents in this class: 8
10-year publication summary
|
2
|
2
|
2
|
1
|
0
|
2
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Federal Signal Corporation | 222 |
1 |
| People and Products-Plumbing LLC | 3 |
1 |
| Siamp Cedap | 24 |
1 |
| Agfa NV | 659 |
1 |
| Farmland Irrigation Research Institute,chinese Academy of Agricultural Sciences | 8 |
1 |
| Eco (Xiamen) Technology Inc. | 23 |
1 |
| Prim Sigma Technologies, Inc. | 1 |
1 |
| The Marie Claire Fiala Amokrane Trust | 1 |
1 |
| Other owners | 0 |