- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/20 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation arranged externally of valve member
Patent holdings for IPC class F16K 1/20
Total number of patents in this class: 487
10-year publication summary
|
72
|
63
|
54
|
48
|
51
|
33
|
20
|
19
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BorgWarner Inc. | 2582 |
16 |
| Valeo Systemes de Controle Moteur | 587 |
16 |
| Victaulic Company | 623 |
13 |
| Halliburton Energy Services, Inc. | 21306 |
11 |
| JPMorgan Chase Bank, National Association | 8948 |
9 |
| Shanghai HONGYAN Returnable Transit Packagings Co., Ltd. | 150 |
9 |
| Applied Materials, Inc. | 20344 |
8 |
| Continental Automotive GmbH | 4519 |
8 |
| Aisan Kogyo Kabushiki Kaisha | 763 |
8 |
| Emerson Process Management Regulator Technologies, Inc. | 389 |
8 |
| Vitesco Technologies GmbH | 2398 |
8 |
| Fisher Controls International LLC | 1464 |
7 |
| IHI Corporation | 3532 |
7 |
| Mueller International, LLC | 744 |
7 |
| Hayward Industries, Inc. | 678 |
6 |
| Protechna S.A. | 76 |
6 |
| Shenzhen University | 1721 |
6 |
| Thermo Fisher Scientific (Bremen) GmbH | 623 |
6 |
| ITT Manufacturing Enterprises LLC | 421 |
5 |
| Minimax GmbH & Co. KG | 138 |
5 |
| Other owners | 318 |