- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/40 - Safety valvesEqualising valves with fracturing member, e.g. fracturing diaphragm, fusible joint
Patent holdings for IPC class F16K 17/40
Total number of patents in this class: 352
10-year publication summary
|
32
|
24
|
17
|
23
|
18
|
18
|
18
|
19
|
20
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fike Corporation | 141 |
19 |
| Oklahoma Safety Equipment Company, Inc. | 27 |
12 |
| Goodrich Corporation | 2175 |
10 |
| Kidde Technologies, Inc. | 300 |
7 |
| BS & B Innovation Limited | 28 |
6 |
| Joint Stock Company "atomenergoproekt" | 90 |
6 |
| Donaldson Company, Inc. | 1588 |
5 |
| PSI Pressure Systems LLC | 10 |
5 |
| Innovex Downhole Solutions, Inc. | 56 |
5 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3928 |
5 |
| Schlumberger Technology Corporation | 11483 |
4 |
| BS & B Safety Systems Ltd. | 13 |
4 |
| DADCO, Inc. | 54 |
4 |
| Enerco Group, Inc. | 123 |
4 |
| HYDAC Technology GmbH | 244 |
4 |
| SPM Oil & Gas Inc. | 347 |
4 |
| Baker Hughes Incorporated | 5042 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 15022 |
3 |
| Aurotec GmbH | 47 |
3 |
| AVOX Systems Inc. | 65 |
3 |
| Other owners | 236 |