- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/38 - Safety valvesEqualising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
Patent holdings for IPC class F16K 17/38
Total number of patents in this class: 354
10-year publication summary
|
40
|
27
|
26
|
22
|
27
|
18
|
15
|
22
|
18
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 15817 |
7 |
| Fujikin Incorporated | 695 |
7 |
| Hexagon Technology AS | 134 |
7 |
| BPR Medical Limited | 17 |
6 |
| Joint Stock Company "atomenergoproekt" | 90 |
6 |
| Vernet | 154 |
6 |
| Toyota Motor Corporation | 34633 |
5 |
| Hyundai Motor Company | 23762 |
5 |
| JTEKT Corporation | 2554 |
5 |
| Saudi Arabian Oil Company | 13949 |
5 |
| Enerco Group, Inc. | 123 |
4 |
| HYDAC Technology GmbH | 244 |
4 |
| The Methodist Hospital Research Institute | 101 |
4 |
| Agility Fuel Systems LLC | 80 |
4 |
| Emerson Process Management Regulator Technologies Tulsa, LLC | 29 |
4 |
| Emcara International, Inc. | 4 |
4 |
| Robert Bosch GmbH | 43587 |
3 |
| Ford Global Technologies, LLC | 21274 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 15022 |
3 |
| Kawasaki Heavy Industries, Limited | 1646 |
3 |
| Other owners | 259 |