- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 17/38 - Safety valves; Equalising 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: 345
10-year publication summary
|
18
|
30
|
42
|
33
|
30
|
24
|
30
|
20
|
14
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 13620 |
7 |
| Hexagon Technology AS | 123 |
7 |
| Emcara International, Inc. | 9 |
7 |
| Hyundai Motor Company | 19021 |
6 |
| BPR Medical Limited | 15 |
6 |
| Vernet | 149 |
6 |
| Fujikin Incorporated | 671 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| Kawasaki Heavy Industries, Limited | 1524 |
4 |
| Emcara Gas Development Inc. | 6 |
4 |
| Enerco Group, Inc. | 119 |
4 |
| HYDAC Technology GmbH | 221 |
4 |
| Joint Stock Company "atomenergoproekt" | 78 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Senju Metal Industry Co., Ltd. | 654 |
4 |
| Agility Fuel Systems LLC | 70 |
4 |
| Emerson Process Management Regulator Technologies Tulsa, LLC | 27 |
4 |
| Nestec S.A. | 2777 |
3 |
| Ford Global Technologies, LLC | 19702 |
3 |
| JTEKT Corporation | 2423 |
3 |
| Other owners | 252 |