- 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: 350
10-year publication summary
|
30
|
42
|
33
|
30
|
24
|
30
|
20
|
16
|
22
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 14747 |
7 |
| Fujikin Incorporated | 693 |
7 |
| Hexagon Technology AS | 128 |
7 |
| Emcara International, Inc. | 9 |
7 |
| BPR Medical Limited | 15 |
6 |
| Joint Stock Company "atomenergoproekt" | 91 |
6 |
| Vernet | 154 |
6 |
| Hyundai Motor Company | 21293 |
5 |
| JTEKT Corporation | 2472 |
5 |
| Toyota Motor Corporation | 31095 |
4 |
| Kawasaki Heavy Industries, Limited | 1611 |
4 |
| Enerco Group, Inc. | 122 |
4 |
| HYDAC Technology GmbH | 233 |
4 |
| Saudi Arabian Oil Company | 12745 |
4 |
| Agility Fuel Systems LLC | 78 |
4 |
| Emerson Process Management Regulator Technologies Tulsa, LLC | 28 |
4 |
| Robert Bosch GmbH | 42272 |
3 |
| Ford Global Technologies, LLC | 20341 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 14180 |
3 |
| AS America, Inc. | 1079 |
3 |
| Other owners | 254 |