- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/34 - Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
Patent holdings for IPC class F16K 17/34
Total number of patents in this class: 118
10-year publication summary
|
8
|
13
|
8
|
6
|
10
|
10
|
11
|
9
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 391 |
8 |
| Reliance Worldwide Corporation (Aust.) Pty. Ltd. | 89 |
4 |
| Swellfix UK Limited | 61 |
4 |
| JTEKT Corporation | 2593 |
3 |
| Dwyer Instruments, LLC | 111 |
3 |
| Eaton Corporation | 1804 |
2 |
| Hubbell Incorporated | 3448 |
2 |
| University of South Florida | 1877 |
2 |
| B/E Aerospace, Inc. | 1693 |
2 |
| Drexel University | 996 |
2 |
| Flamekeeper, LLC | 5 |
2 |
| Goodrich Corporation | 2181 |
2 |
| Kabushiki Kaisha Saginomiya Seisakusho | 78 |
2 |
| Mac Valves, Inc. | 79 |
2 |
| Ningbo Wanan Co., Ltd. | 12 |
2 |
| Plastic Omnium Advanced Innovation and Research | 340 |
2 |
| Rico-Sicherheitstechnik AG | 18 |
2 |
| Safe-Crossings, L.L.C. | 7 |
2 |
| Woodward, Inc. | 674 |
2 |
| Xiamen Solex High-Tech Industries Co., Ltd. | 435 |
2 |
| Other owners | 66 |