- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/20 - Check valves specially designed for inflatable bodies, e.g. tyres
Patent holdings for IPC class F16K 15/20
Total number of patents in this class: 426
10-year publication summary
|
48
|
50
|
60
|
38
|
39
|
26
|
40
|
25
|
28
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dana Heavy Vehicle Systems Group, LLC | 358 |
18 |
| Goodrich Corporation | 2181 |
16 |
| Pacific Industrial Co., Ltd. | 259 |
16 |
| Clik Corporation | 26 |
14 |
| Beto Engineering and Marketing Co., Ltd. | 63 |
9 |
| Beto Engineering & Marketing Co., Ltd. | 34 |
7 |
| Col-Ven S.A. | 29 |
6 |
| Sage Products, LLC | 394 |
6 |
| Spin Master, Inc. | 524 |
5 |
| Nike, Inc. | 14828 |
4 |
| Aktv8 LLC | 33 |
4 |
| Bestway Inflatables & Material Corp. | 433 |
4 |
| Global Engineering Marketing LLC | 6 |
4 |
| Hamaton Automotive Technology Co., Ltd. | 56 |
4 |
| NSI International, Inc. | 44 |
4 |
| Permobil, Inc | 38 |
4 |
| Record S.p.A. | 6 |
4 |
| Belgravia Wood Limited | 142 |
4 |
| Signode India Ltd. | 26 |
4 |
| Ford Global Technologies, LLC | 21524 |
3 |
| Other owners | 286 |