- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/16 - Operating meansReleasing devices actuated by fluid with a mechanism, other than pulling- or pushing-rod, between fluid motor and closure member
Patent holdings for IPC class F16K 31/16
Total number of patents in this class: 66
10-year publication summary
|
10
|
14
|
9
|
7
|
6
|
2
|
2
|
3
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Proteus Industries, Inc. | 40 |
7 |
| Fisher Controls International LLC | 1455 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
3 |
| War Machine, Inc. | 7 |
3 |
| Fuji Impulse Co., Ltd. | 16 |
2 |
| Master Flo Valve Inc. | 39 |
2 |
| Midea Group Co., Ltd. | 5034 |
2 |
| Neway Valve (Suzhou) Co., Ltd. | 43 |
2 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 242 |
2 |
| Hydrosave UK Limited | 3 |
2 |
| Pratt & Whitney Canada Corp. | 5506 |
1 |
| Hewlett-Packard Development Company, L.P. | 25180 |
1 |
| Ford Global Technologies, LLC | 21524 |
1 |
| Industrial Technology Research Institute | 5205 |
1 |
| Siemens Energy, Inc. | 1684 |
1 |
| Beijing Rostar Technology Co. Ltd | 17 |
1 |
| Cortec, L.L.C. | 29 |
1 |
| Dresser, Inc. | 96 |
1 |
| Equilibar, LLC | 32 |
1 |
| Expro Americas, LLC | 44 |
1 |
| Other owners | 27 |