- 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: 40
10-year publication summary
|
2
|
2
|
2
|
0
|
1
|
0
|
2
|
13
|
5
|
3
|
| 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 | 205 |
14 |
| Maerz Ofenbau AG | 52 |
7 |
| ThyssenKrupp AG | 3399 |
5 |
| China Aluminum International Engineering Corporation Limited | 79 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1443 |
1 |
| Contemporary Amperex Technology Co., Limited | 10003 |
1 |
| S.A. Lhoist Recherche et Developpment | 2 |
1 |
| Schunk Kohlenstofftechnik GmbH | 140 |
1 |
| ARC France | 88 |
1 |
| Scanarc Plasma Technologies AB | 3 |
1 |
| Sinocalci Corporation | 3 |
1 |
| thyssenkrupp Polysius GmbH | 166 |
1 |
| Cbmi Construction Co., Ltd. | 24 |
1 |
| Carmeuse Technologies | 24 |
1 |
| Ningde Xicheng Technology Co., Ltd. | 12 |
1 |
| Shenyang Aluminum and Magnesium Engineering and Research Institute Company Limited | 5 |
1 |
| Suzhou Kilnpartner Mechanical Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |