- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 21/06 - Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening
Patent holdings for IPC class F16K 21/06
Total number of patents in this class: 38
10-year publication summary
|
4
|
6
|
8
|
1
|
2
|
3
|
5
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sloan Valve Company | 282 |
4 |
| Beijing Kohler Ltd. | 37 |
2 |
| Free Flow Products, LLC | 3 |
2 |
| Grohe AG | 1056 |
2 |
| Les ROBINETS PRESTO | 31 |
2 |
| Masco Canada Limited | 129 |
2 |
| Neoperl GmbH | 601 |
2 |
| SDB IP Holdings, LLC | 125 |
2 |
| 3m Innovative Properties Company | 18000 |
1 |
| B/E Aerospace, Inc. | 1576 |
1 |
| Fisher Controls International LLC | 1517 |
1 |
| Flow Dynamics, LLC | 7 |
1 |
| Fluehs Drehtechnik GmbH | 15 |
1 |
| Globe Union Industrial Corp. | 303 |
1 |
| GOJO Industries, Inc. | 890 |
1 |
| Goodrich Corporation | 2097 |
1 |
| Highplus International Co., Ltd. | 4 |
1 |
| Leggett & Platt Canada Co. | 83 |
1 |
| Linde Aktiengesellschaft | 1542 |
1 |
| Parker Intangibles LLC | 1190 |
1 |
| Other owners | 8 |