- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 15/09 - Arrangement of devices for discharging
Patent holdings for IPC class F27B 15/09
Total number of patents in this class: 31
10-year publication summary
|
1
|
5
|
1
|
3
|
3
|
0
|
0
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4411 |
3 |
| ThyssenKrupp AG | 3337 |
3 |
| thyssenkrupp Polysius GmbH | 173 |
3 |
| Primetals Technologies Austria GmbH | 584 |
2 |
| Pyrotek, Inc. | 203 |
2 |
| Metso Metals Oy | 226 |
2 |
| ExxonMobil Research And Engineering Company | 2386 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| Foster Wheeler Energia Oy | 42 |
1 |
| IHI Corporation | 3554 |
1 |
| Kellogg Brown & Root LLC | 519 |
1 |
| Petroleo Brasileiro S.A. - Petrobras | 982 |
1 |
| POSCO | 2143 |
1 |
| Rensselaer Polytechnic Institute | 856 |
1 |
| Stone & Webster Process Technology, Inc. | 26 |
1 |
| Univation Technologies, LLC | 606 |
1 |
| Hubei Zhong'ao Nanotech Co., Ltd | 4 |
1 |
| Upo LLC | 2 |
1 |
| FATA Aluminum S.r.l. | 2 |
1 |
| Guangxi Siwei Materials Technology Co., Ltd. | 4 |
1 |
| Other owners | 2 |