- 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: 697
10-year publication summary
|
82
|
55
|
50
|
46
|
39
|
47
|
51
|
50
|
34
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Piolax Inc. | 425 |
29 |
| Nifco Inc. | 1099 |
24 |
| Eaton Intelligent Power Limited | 6243 |
22 |
| Eaton Corporation | 1804 |
13 |
| Kyosan Denki Co., Ltd. | 52 |
12 |
| Toyoda Gosei Co., Ltd. | 1858 |
11 |
| Donaldson Company, Inc. | 1600 |
10 |
| AYR Ltd. | 105 |
10 |
| Nitto Denko Corporation | 8536 |
9 |
| A.r.i. Flow Control Accessories Ltd. | 13 |
8 |
| Kautex Textron GmbH & Co. KG | 510 |
8 |
| Mueller International, LLC | 744 |
7 |
| Toyota Motor Corporation | 35772 |
6 |
| Hamilton Sundstrand Corporation | 5015 |
6 |
| B/E Aerospace, Inc. | 1693 |
6 |
| DeZURIK, Inc. | 57 |
6 |
| WD Racing Oy | 26 |
6 |
| Yachiyo Industry Co., Ltd. | 247 |
6 |
| Illinois Tool Works Inc. | 11863 |
5 |
| Hyundai Motor Company | 24653 |
5 |
| Other owners | 488 |