- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 1/04 - Combinations or arrangements of shafts
Patent holdings for IPC class F27B 1/04
Total number of patents in this class: 36
10-year publication summary
|
1
|
2
|
2
|
0
|
1
|
0
|
2
|
9
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.A. Lhoist Recherche et Developpement | 190 |
14 |
| Maerz Ofenbau AG | 49 |
6 |
| ThyssenKrupp AG | 3402 |
4 |
| China Aluminum International Engineering Corporation Limited | 87 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1416 |
1 |
| Contemporary Amperex Technology Co., Limited | 8590 |
1 |
| Schunk Kohlenstofftechnik GmbH | 137 |
1 |
| ARC France | 102 |
1 |
| Scanarc Plasma Technologies AB | 3 |
1 |
| Sinocalci Corporation | 2 |
1 |
| Cbmi Construction Co., Ltd. | 21 |
1 |
| Carmeuse Technologies | 20 |
1 |
| Ningde Xicheng Technology Co., Ltd. | 12 |
1 |
| Shenyang Aluminum and Magnesium Engineering and Research Institute Company Limited | 4 |
1 |
| Suzhou Kilnpartner Mechanical Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |