- 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: 138
10-year publication summary
10
|
10
|
2
|
3
|
4
|
2
|
0
|
5
|
3
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fike Corporation | 140 |
13 |
Kidde Technologies, Inc. | 298 |
7 |
Oklahoma Safety Equipment Company, Inc. | 27 |
5 |
GM Global Technology Operations LLC | 15114 |
4 |
OPW Fueling Components, LLC | 69 |
4 |
Hansen Technologies, LLC | 14 |
3 |
OPW Fueling Components Inc. | 13 |
3 |
Completion Technology, Ltd. | 4 |
3 |
Schlumberger Technology Corporation | 10820 |
2 |
Toyota Motor Corporation | 32599 |
2 |
Northrop Grumman Systems Corporation | 2935 |
2 |
BPR Medical Limited | 16 |
2 |
MAN Diesel & Turbo, Filial af MAN Diesel & Turbo SE, Tyskland | 32 |
2 |
Milanovich Investments, L.L.C. | 49 |
2 |
Safran Landing Systems Canada Inc. / Safran Systemes D'atterrissage Canada Inc. | 103 |
2 |
Taylor Innovations, L.L.C. | 11 |
2 |
Veeder-Root Company | 85 |
2 |
JOB Lizenz GmbH | 29 |
2 |
Siro Diagnostics, Inc. | 55 |
2 |
Mattel, Inc. | 3046 |
1 |
Other owners | 73 |