- 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: 359
10-year publication summary
|
42
|
33
|
30
|
24
|
30
|
20
|
17
|
23
|
18
|
8
|
| 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 | 16174 |
7 |
| Fujikin Incorporated | 700 |
7 |
| Hexagon Technology AS | 136 |
7 |
| Vernet | 158 |
7 |
| BPR Medical Limited | 14 |
6 |
| Toyota Motor Corporation | 35906 |
5 |
| Hyundai Motor Company | 24787 |
5 |
| JTEKT Corporation | 2599 |
5 |
| Joint Stock Company "atomenergoproekt" | 80 |
5 |
| Saudi Arabian Oil Company | 14296 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 15349 |
4 |
| Enerco Group, Inc. | 126 |
4 |
| HYDAC Technology GmbH | 249 |
4 |
| The Methodist Hospital Research Institute | 103 |
4 |
| Senju Metal Industry Co., Ltd. | 690 |
4 |
| Agility Fuel Systems LLC | 79 |
4 |
| Emerson Process Management Regulator Technologies Tulsa, LLC | 29 |
4 |
| Emcara International, Inc. | 4 |
4 |
| Robert Bosch GmbH | 44238 |
3 |
| Ford Global Technologies, LLC | 21555 |
3 |
| Other owners | 262 |