- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/228 - Movable sealing bodies
Patent holdings for IPC class F16K 1/228
Total number of patents in this class: 32
10-year publication summary
|
4
|
4
|
1
|
3
|
1
|
4
|
0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KSB S.A.S. | 40 |
3 |
| Kitz SCT Corporation | 44 |
2 |
| LB Bentley Limited | 18 |
2 |
| Mueller International, LLC | 737 |
2 |
| LG Electronics Inc. | 74968 |
1 |
| Honeywell International Inc. | 12786 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2177 |
1 |
| Hamilton Sundstrand Corporation | 5017 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
1 |
| Bray International, Inc. | 144 |
1 |
| DELL'ORTO S.p.A. | 13 |
1 |
| DeZURIK, Inc. | 47 |
1 |
| Dynamic Air, Inc. | 30 |
1 |
| ISCO Industries, Inc. | 35 |
1 |
| KSB S.A. | 4 |
1 |
| KX Technologies LLC | 149 |
1 |
| LG Fuel Cell Systems Inc. | 53 |
1 |
| MAHLE International GmbH | 2883 |
1 |
| Metso Automation Oy | 66 |
1 |
| Nor-Cal Products, Inc. | 4 |
1 |
| Other owners | 7 |