- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/12 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side weight-loaded
Patent holdings for IPC class F16K 17/12
Total number of patents in this class: 81
10-year publication summary
|
7
|
5
|
4
|
11
|
3
|
5
|
8
|
1
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pres-vac Engineering ApS | 4 |
4 |
| B/E Aerospace, Inc. | 1687 |
3 |
| Regulator Technologies Tulsa, LLC | 9 |
3 |
| Edwards Limited | 773 |
2 |
| Equilibar, LLC | 34 |
2 |
| Flomatic Corporation | 43 |
2 |
| Hayward Industries, Inc. | 679 |
2 |
| Kautex Textron GmbH & Co. KG | 512 |
2 |
| Watershed Geosynthetics LLC | 126 |
2 |
| Steffes, LLC | 26 |
2 |
| MUVIQ S.r.l. | 166 |
2 |
| Halliburton Energy Services, Inc. | 21292 |
1 |
| Illinois Tool Works Inc. | 11879 |
1 |
| Siemens AG | 23956 |
1 |
| Airbus Operations Limited | 1355 |
1 |
| Airbus Helicopters | 952 |
1 |
| FCA Italy S.p.A. | 122 |
1 |
| Siemens Plc | 70 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 774 |
1 |
| BP Corporation North America Inc. | 763 |
1 |
| Other owners | 46 |