- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/18 - Check valves with actuating mechanismCombined check valves and actuated valves
Patent holdings for IPC class F16K 15/18
Total number of patents in this class: 712
10-year publication summary
|
77
|
68
|
68
|
76
|
61
|
52
|
42
|
47
|
30
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6101 |
11 |
| Robert Bosch GmbH | 43244 |
8 |
| Medtronic Xomed, Inc. | 626 |
8 |
| Pierburg GmbH | 470 |
8 |
| SMC Corporation | 1371 |
7 |
| Stoma Ventures, LLC | 41 |
7 |
| Illinois Tool Works Inc. | 11652 |
6 |
| Murata Manufacturing Co., Ltd. | 25214 |
6 |
| Hyundai Motor Company | 23166 |
6 |
| Victaulic Company | 619 |
6 |
| Halliburton Energy Services, Inc. | 21117 |
5 |
| Altria Client Services LLC | 2314 |
5 |
| BorgWarner Inc. | 2604 |
5 |
| Dispensing Technologies B.V. | 118 |
5 |
| Graco Minnesota Inc. | 1238 |
5 |
| Signode Industrial Group LLC | 576 |
5 |
| Watts Regulator Co. | 321 |
5 |
| Nike, Inc. | 14479 |
4 |
| Conti Temic microelectronic GmbH | 878 |
4 |
| ZF Friedrichshafen AG | 7202 |
4 |
| Other owners | 592 |