- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/32 - Arrangement of devices for charging
Patent holdings for IPC class F27B 7/32
Total number of patents in this class: 67
10-year publication summary
|
1
|
1
|
2
|
2
|
5
|
4
|
9
|
6
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holcim Technology Ltd. | 474 |
4 |
| KHD Humboldt Wedag GmbH | 191 |
4 |
| LG Chem, Ltd. | 17883 |
3 |
| Air Products and Chemicals, Inc. | 1468 |
3 |
| POSCO Holdings Inc. | 414 |
3 |
| thyssenkrupp Polysius GmbH | 155 |
3 |
| Guangzhou Tinci Materials Technology Co., Ltd. | 149 |
2 |
| Noritake Co., Limited | 271 |
2 |
| Taiheiyo Engineering Corporation | 34 |
2 |
| Tinci Materials (Taizhou) Co., Ltd. | 10 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11705 |
1 |
| Air Liquide Deutschland G.m.b.H | 52 |
1 |
| Alite GmbH | 19 |
1 |
| Altek, L.L.C. | 15 |
1 |
| Andritz Oy | 288 |
1 |
| British American Tobacco (Investments) Limited | 1004 |
1 |
| Chugai Ro Co., Ltd. | 128 |
1 |
| Fives North American Combustion, Inc. | 47 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1255 |
1 |
| Harper International Corp. | 13 |
1 |
| Other owners | 29 |