- 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: 344
10-year publication summary
|
24
|
32
|
24
|
17
|
23
|
18
|
18
|
16
|
20
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fike Corporation | 140 |
19 |
| Oklahoma Safety Equipment Company, Inc. | 27 |
13 |
| Goodrich Corporation | 2134 |
10 |
| Kidde Technologies, Inc. | 298 |
7 |
| BS & B Innovation Limited | 28 |
6 |
| BS & B Safety Systems Ltd. | 15 |
6 |
| Joint Stock Company "atomenergoproekt" | 91 |
6 |
| Donaldson Company, Inc. | 1605 |
5 |
| PSI Pressure Systems LLC | 10 |
5 |
| Schlumberger Technology Corporation | 10802 |
4 |
| DADCO, Inc. | 53 |
4 |
| Enerco Group, Inc. | 124 |
4 |
| Innovex Downhole Solutions, Inc. | 49 |
4 |
| SPM Oil & Gas Inc. | 327 |
4 |
| Baker Hughes Incorporated | 5265 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14428 |
3 |
| Aurotec GmbH | 46 |
3 |
| Autoliv ASP, Inc. | 751 |
3 |
| AVOX Systems Inc. | 66 |
3 |
| Cameron International Corporation | 1336 |
3 |
| Other owners | 229 |