- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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: 392
10-year publication summary
|
42
|
48
|
50
|
60
|
38
|
39
|
26
|
35
|
21
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dana Heavy Vehicle Systems Group, LLC | 343 |
18 |
| Goodrich Corporation | 2088 |
16 |
| Pacific Industrial Co., Ltd. | 244 |
14 |
| Beto Engineering and Marketing Co., Ltd. | 64 |
9 |
| Beto Engineering & Marketing Co., Ltd. | 34 |
7 |
| Col-Ven S.A. | 32 |
7 |
| Clik Corporation | 13 |
6 |
| Spin Master, Inc. | 541 |
5 |
| Signode India Ltd. | 25 |
5 |
| Continental Automotive GmbH | 5541 |
4 |
| Bell Sports, Inc. | 369 |
4 |
| Global Engineering Marketing LLC | 6 |
4 |
| Hamaton Automotive Technology Co., Ltd. | 48 |
4 |
| IPS Corporation | 141 |
4 |
| NSI International, Inc. | 41 |
4 |
| Ford Global Technologies, LLC | 20039 |
3 |
| Nike, Inc. | 13609 |
3 |
| The Goodyear Tire & Rubber Company | 2571 |
3 |
| Aktv8 LLC | 26 |
3 |
| Apex Billion Int'l Inv. Ltd. | 3 |
3 |
| Other owners | 266 |