- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/24 - Seals between rotary and stationary parts
Patent holdings for IPC class F27B 7/24
Total number of patents in this class: 71
10-year publication summary
|
0
|
2
|
2
|
2
|
5
|
9
|
5
|
6
|
11
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EagleBurgmann Germany GmbH & Co. KG | 358 |
10 |
| Henan Longcheng Coal High Efficiency Technology Application Co., Ltd. | 18 |
9 |
| Asahi Kasei Chemicals Corporation | 539 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Tecnored Desenvolvimento Tecnologico S.A. | 43 |
3 |
| Hebei Longcheng Coal Comprehensive Utilization Co., Ltd. | 9 |
3 |
| Guangzhou Tinci Materials Technology Co., Ltd. | 161 |
2 |
| ThyssenKrupp AG | 3333 |
2 |
| Tsukishima Kikai Co., Ltd. | 115 |
2 |
| Hunan Brunp EV Recycling Co., Ltd. | 379 |
2 |
| POSCO Holdings Inc. | 696 |
2 |
| Redwood Materials, Inc. | 66 |
2 |
| thyssenkrupp Polysius GmbH | 171 |
2 |
| Cbmi Construction Co., Ltd. | 24 |
2 |
| Tinci Materials (Taizhou) Co., Ltd. | 10 |
2 |
| Alite GmbH | 20 |
1 |
| Altek, L.L.C. | 15 |
1 |
| Carmeuse Lime, Inc. | 33 |
1 |
| Eesti Energia Olitoostus AS | 2 |
1 |
| Other owners | 15 |