- 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: 26
10-year publication summary
|
3
|
2
|
8
|
0
|
4
|
0
|
1
|
0
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamada Manufacturing Co., Ltd. | 137 |
5 |
| Haver & Boecker OHG | 228 |
2 |
| Parker-Hannifin Corporation | 1035 |
2 |
| Tokyo Electron Limited | 12751 |
1 |
| Schaeffler Technologies AG & Co. KG | 9897 |
1 |
| Terumo Kabushiki Kaisha | 5546 |
1 |
| Blue Logic AS | 10 |
1 |
| BP Corporation North America Inc. | 744 |
1 |
| Cameron International Corporation | 1335 |
1 |
| FBD Partnership, LP | 38 |
1 |
| Fisher Controls International LLC | 1476 |
1 |
| FRATELLI PETTINAROLI S.p.A. | 15 |
1 |
| Fumoto Giken Co., Ltd. | 27 |
1 |
| General Compression, Inc. | 30 |
1 |
| Mueller International, LLC | 718 |
1 |
| Qinzhou AuraSource Technology Inc. | 7 |
1 |
| Taizhou Guanghui Automatic Control Sci-Tec Co., Ltd. | 1 |
1 |
| Welleng Science and Technology Ltd | 12 |
1 |
| Cameron Technologies Limited | 212 |
1 |
| Vanatome | 1 |
1 |
| Other owners | 0 |