- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/16 - Check valves with flexible valve members with tongue-shaped laminae
Patent holdings for IPC class F16K 15/16
Total number of patents in this class: 186
10-year publication summary
|
17
|
19
|
21
|
6
|
14
|
15
|
8
|
10
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technocrats Corporation | 45 |
7 |
| Pierburg GmbH | 469 |
5 |
| Whirlpool S.A. | 348 |
5 |
| Denso Corporation | 24958 |
4 |
| Mitsubishi Electric Corporation | 47267 |
4 |
| Schaeffler Technologies AG & Co. KG | 10490 |
4 |
| Atlas Copco Compressors LLC | 17 |
4 |
| Illinois Tool Works Inc. | 11645 |
3 |
| Becton, Dickinson and Company | 7490 |
3 |
| Koninklijke Philips N.V. | 25306 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32838 |
3 |
| Hamilton Sundstrand Corporation | 4991 |
3 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1503 |
3 |
| Mikuni Corporation | 348 |
3 |
| Stoma Ventures, LLC | 41 |
3 |
| Copeland LP | 695 |
3 |
| Samsung Electronics Co., Ltd. | 150751 |
2 |
| Apple Inc. | 56830 |
2 |
| Koninklijke Philips Electronics N.V. | 8443 |
2 |
| Omron Healthcare Co., Ltd. | 1885 |
2 |
| Other owners | 118 |