- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 1/18 - 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
Patent holdings for IPC class F16K 1/18
Total number of patents in this class: 156
10-year publication summary
|
35
|
12
|
13
|
10
|
13
|
10
|
3
|
3
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Incorporated | 4883 |
9 |
| Halliburton Energy Services, Inc. | 21292 |
9 |
| Tenneco Automotive Operating Company Inc. | 453 |
7 |
| BorgWarner Inc. | 2586 |
6 |
| Mueller International, LLC | 744 |
5 |
| Baker Hughes, a GE Company, LLC | 2022 |
4 |
| Hamilton Sundstrand Corporation | 5011 |
3 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
3 |
| ITT Manufacturing Enterprises LLC | 419 |
3 |
| Plattco Corporation | 10 |
3 |
| Protechna S.A. | 77 |
3 |
| Thru Tubing Solutions, Inc. | 407 |
3 |
| Unick Corporation | 56 |
3 |
| Tenneco Automotive Operating Company LLC | 202 |
3 |
| Emerson Process Management Valve Automation, Inc. | 58 |
2 |
| Hayward Industries, Inc. | 679 |
2 |
| LB Bentley Limited | 19 |
2 |
| Mib Italiana S.p.A. | 11 |
2 |
| Shanghai HONGYAN Returnable Transit Packagings Co., Ltd. | 150 |
2 |
| Valeo Systemes de Controle Moteur | 577 |
2 |
| Other owners | 80 |