- 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: 59
10-year publication summary
|
5
|
1
|
1
|
1
|
2
|
5
|
3
|
9
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holcim Technology Ltd. | 997 |
4 |
| KHD Humboldt Wedag GmbH | 192 |
4 |
| thyssenkrupp Polysius GmbH | 132 |
4 |
| LG Chem, Ltd. | 17641 |
3 |
| Air Products and Chemicals, Inc. | 1443 |
2 |
| Noritake Co., Limited | 258 |
2 |
| ThyssenKrupp Polysius Aktiengesellschaft | 23 |
2 |
| Taiheiyo Engineering Corporation | 26 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11448 |
1 |
| Air Liquide Deutschland G.m.b.H | 62 |
1 |
| Alite GmbH | 18 |
1 |
| Altek, L.L.C. | 15 |
1 |
| Andritz Oy | 284 |
1 |
| British American Tobacco (Investments) Limited | 1026 |
1 |
| Chugai Ro Co., Ltd. | 130 |
1 |
| Fives North American Combustion, Inc. | 45 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
1 |
| Harper International Corp. | 14 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1213 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3983 |
1 |
| Other owners | 24 |