- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 24/04 - Devices, e.g. valves, for venting or aerating enclosures for venting only
Patent holdings for IPC class F16K 24/04
Total number of patents in this class: 693
10-year publication summary
|
78
|
51
|
48
|
44
|
37
|
44
|
46
|
46
|
34
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Piolax Inc. | 421 |
29 |
| Nifco Inc. | 1113 |
24 |
| Eaton Intelligent Power Limited | 6112 |
21 |
| Eaton Corporation | 1812 |
13 |
| Toyoda Gosei Co., Ltd. | 1830 |
12 |
| Kyosan Denki Co., Ltd. | 52 |
12 |
| Donaldson Company, Inc. | 1588 |
10 |
| AYR Ltd. | 106 |
10 |
| Nitto Denko Corporation | 8411 |
9 |
| A.r.i. Flow Control Accessories Ltd. | 14 |
8 |
| Kautex Textron GmbH & Co. KG | 502 |
8 |
| Mueller International, LLC | 732 |
7 |
| Toyota Motor Corporation | 33999 |
6 |
| Hamilton Sundstrand Corporation | 5003 |
6 |
| B/E Aerospace, Inc. | 1698 |
6 |
| DeZURIK, Inc. | 47 |
6 |
| Raval A.c.s. Ltd. | 34 |
6 |
| WD Racing Oy | 26 |
6 |
| Yachiyo Industry Co., Ltd. | 244 |
6 |
| Illinois Tool Works Inc. | 11662 |
5 |
| Other owners | 483 |