- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/14 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member
Patent holdings for IPC class F16K 17/14
Total number of patents in this class: 132
10-year publication summary
|
11
|
2
|
3
|
4
|
2
|
0
|
6
|
3
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fike Corporation | 141 |
13 |
| Kidde Technologies, Inc. | 299 |
7 |
| GM Global Technology Operations LLC | 16124 |
4 |
| Oklahoma Safety Equipment Company, Inc. | 27 |
4 |
| OPW Fueling Components, LLC | 68 |
4 |
| Hansen Technologies, LLC | 16 |
3 |
| OPW Fueling Components Inc. | 12 |
3 |
| Completion Technology, Ltd. | 4 |
3 |
| Schlumberger Technology Corporation | 11818 |
2 |
| Toyota Motor Corporation | 35772 |
2 |
| Northrop Grumman Systems Corporation | 2921 |
2 |
| BPR Medical Limited | 14 |
2 |
| MAN Diesel & Turbo, Filial af MAN Diesel & Turbo SE, Tyskland | 32 |
2 |
| Milanovich Investments, L.L.C. | 48 |
2 |
| Rafael Advanced Defense Systems Ltd. | 303 |
2 |
| Safran Landing Systems Canada Inc. / Safran Systemes D'atterrissage Canada Inc. | 103 |
2 |
| Taylor Innovations, L.L.C. | 11 |
2 |
| Veeder-Root Company | 77 |
2 |
| JOB Lizenz GmbH | 29 |
2 |
| Siro Diagnostics, Inc. | 61 |
2 |
| Other owners | 67 |