- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/196 - Equalising valves predominantly for tanks spring-loaded
Patent holdings for IPC class F16K 17/196
Total number of patents in this class: 120
10-year publication summary
|
10
|
10
|
10
|
8
|
11
|
12
|
13
|
5
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Piolax Inc. | 416 |
8 |
| Pierburg GmbH | 472 |
5 |
| The Boeing Company | 20052 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 750 |
3 |
| Kyosan Denki Co., Ltd. | 52 |
3 |
| Eaton Intelligent Power Limited | 6066 |
3 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3849 |
3 |
| Ford Global Technologies, LLC | 20962 |
2 |
| A. Kayser Automotive Systems GmbH | 30 |
2 |
| Ausco, Inc. | 19 |
2 |
| Donaldson Company, Inc. | 1595 |
2 |
| Girard Equipment, Inc. | 8 |
2 |
| Hydro-Gear Limited Partnership | 342 |
2 |
| Kosmek Ltd. | 151 |
2 |
| Lufthansa Technik AG | 486 |
2 |
| Parker Intangibles LLC | 1199 |
2 |
| Turbomeca | 207 |
2 |
| Encino Environmental Services, LLC, DBA Encino Environmental Services | 11 |
2 |
| Spike Brewing LLC | 8 |
2 |
| Baker Hughes Incorporated | 5168 |
1 |
| Other owners | 67 |