- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/22 - Excess-flow valves actuated by the difference of pressure between two places in the flow line
Patent holdings for IPC class F16K 17/22
Total number of patents in this class: 54
10-year publication summary
|
4
|
2
|
8
|
5
|
2
|
3
|
5
|
6
|
2
|
3
|
| 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. | 389 |
2 |
| HYDAC Fluidtechnik GmbH | 140 |
2 |
| Nissin Kogyo Co., Ltd. | 100 |
2 |
| Pollectric International Pty Ltd. | 3 |
2 |
| Dresser LLC | 295 |
2 |
| Taiwan Chelic Co., Ltd. | 8 |
2 |
| Airbus Operations GmbH | 3442 |
1 |
| Denso Corporation | 25495 |
1 |
| Huawei Technologies Co., Ltd. | 122871 |
1 |
| Murata Manufacturing Co., Ltd. | 25708 |
1 |
| BDR Thermea Group B.V. | 181 |
1 |
| BMT Co., Ltd. | 29 |
1 |
| BS & B Innovation Limited | 28 |
1 |
| Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | 45 |
1 |
| Flownamics Analytical Instruments, Inc. | 17 |
1 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 179 |
1 |
| Insight Process Solutions, LLC, Jeffrey D. Jennings (USA) | 2 |
1 |
| KX Technologies LLC | 149 |
1 |
| Lishui Likong Technology Ltd. | 2 |
1 |
| Milwaukee Electric Tool Corporation | 4943 |
1 |
| Other owners | 28 |