- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 35/04 - Means to prevent accidental or unauthorised actuation yieldingly resisting the actuation
Patent holdings for IPC class F16K 35/04
Total number of patents in this class: 79
10-year publication summary
|
16
|
8
|
13
|
6
|
5
|
7
|
4
|
6
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144675 |
4 |
| Aktiebolaget SKF | 2931 |
3 |
| Imperial College Innovations Limited | 579 |
3 |
| Gloazure Co., Ltd. | 10 |
3 |
| Bray International, Inc. | 135 |
2 |
| BSH Hausgeräte GmbH | 5517 |
2 |
| Flühs Drehtechnik GmbH | 63 |
2 |
| Kerox Ipari ES Kereskedelmi Kft. | 9 |
2 |
| LB Bentley Limited | 18 |
2 |
| NxStage Medical, Inc. | 299 |
2 |
| Parker-Hannifin Corporation | 1033 |
2 |
| Parker Intangibles LLC | 1171 |
2 |
| Ross Operating Valve Company | 53 |
2 |
| STI srl | 36 |
2 |
| Takagi Co., Ltd. | 58 |
2 |
| Windgate Products Co., Inc. | 2 |
2 |
| GCE Group AB | 92 |
2 |
| Hamilton Sundstrand Corporation | 4836 |
1 |
| Amsted Rail Company, Inc. | 432 |
1 |
| Arcelik A.S. | 3522 |
1 |
| Other owners | 37 |