- 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: 157
10-year publication summary
|
19
|
35
|
12
|
13
|
10
|
13
|
10
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Incorporated | 5279 |
10 |
| Halliburton Energy Services, Inc. | 20788 |
9 |
| Tenneco Automotive Operating Company Inc. | 632 |
7 |
| BorgWarner Inc. | 2608 |
6 |
| Mueller International, LLC | 716 |
5 |
| Baker Hughes, a GE Company, LLC | 2114 |
4 |
| Hamilton Sundstrand Corporation | 4836 |
3 |
| Emerson Process Management Regulator Technologies, Inc. | 382 |
3 |
| ITT Manufacturing Enterprises LLC | 407 |
3 |
| Plattco Corporation | 9 |
3 |
| Protechna S.A. | 71 |
3 |
| Thru Tubing Solutions, Inc. | 376 |
3 |
| Unick Corporation | 51 |
3 |
| Emerson Process Management Valve Automation, Inc. | 57 |
2 |
| Global Valve Technology Limited | 6 |
2 |
| Hayward Industries, Inc. | 672 |
2 |
| LB Bentley Limited | 18 |
2 |
| Mib Italiana S.p.A. | 11 |
2 |
| Shanghai HONGYAN Returnable Transit Packagings Co., Ltd. | 152 |
2 |
| Valeo Systemes de Controle Moteur | 610 |
2 |
| Other owners | 81 |