- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 39/06 - Devices for relieving the pressure on the sealing faces for taps or cocks
Patent holdings for IPC class F16K 39/06
Total number of patents in this class: 30
10-year publication summary
|
2
|
8
|
0
|
4
|
0
|
1
|
0
|
3
|
2
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamada Manufacturing Co., Ltd. | 150 |
5 |
| Habonim Industrial Valves & Actuators Ltd. | 11 |
2 |
| Haver & Boecker OHG | 240 |
2 |
| NOK Corporation | 2296 |
2 |
| Parker-Hannifin Corporation | 1034 |
2 |
| Halliburton Energy Services, Inc. | 21320 |
1 |
| Tokyo Electron Limited | 13796 |
1 |
| Schaeffler Technologies AG & Co. KG | 10948 |
1 |
| Terumo Kabushiki Kaisha | 5784 |
1 |
| Blue Logic AS | 11 |
1 |
| BP Corporation North America Inc. | 742 |
1 |
| Cameron International Corporation | 1368 |
1 |
| FBD Partnership, LP | 34 |
1 |
| Fisher Controls International LLC | 1460 |
1 |
| FRATELLI PETTINAROLI S.p.A. | 23 |
1 |
| Fumoto Giken Co., Ltd. | 27 |
1 |
| General Compression, Inc. | 26 |
1 |
| Mueller International, LLC | 744 |
1 |
| Qinzhou AuraSource Technology Inc. | 7 |
1 |
| Taizhou Guanghui Automatic Control Sci-Tec Co., Ltd. | 1 |
1 |
| Other owners | 2 |