- 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: 720
10-year publication summary
|
80
|
73
|
72
|
81
|
69
|
57
|
45
|
50
|
36
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6257 |
11 |
| Robert Bosch GmbH | 44176 |
8 |
| Medtronic Xomed, Inc. | 606 |
8 |
| Pierburg GmbH | 480 |
8 |
| SMC Corporation | 1392 |
7 |
| Stoma Ventures, LLC | 45 |
7 |
| Murata Manufacturing Co., Ltd. | 25758 |
6 |
| Hyundai Motor Company | 24703 |
6 |
| Victaulic Company | 618 |
6 |
| Halliburton Energy Services, Inc. | 21320 |
5 |
| Illinois Tool Works Inc. | 11866 |
5 |
| Altria Client Services LLC | 2436 |
5 |
| BorgWarner Inc. | 2583 |
5 |
| Dispensing Technologies B.V. | 121 |
5 |
| Graco Minnesota Inc. | 1281 |
5 |
| Signode Industrial Group LLC | 597 |
5 |
| Watts Regulator Co. | 331 |
5 |
| Nike, Inc. | 14828 |
4 |
| ZF Friedrichshafen AG | 7247 |
4 |
| Kia Motors Corporation | 7718 |
4 |
| Other owners | 601 |