- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open sintering or like apparatus
- F27B 1/02 - Shaft or like vertical or substantially vertical furnaces with two or more shafts or chambers, e.g. multi-storey
Patent holdings for IPC class F27B 1/02
Total number of patents in this class: 60
10-year publication summary
|
3
|
8
|
6
|
2
|
2
|
2
|
1
|
12
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maerz Ofenbau AG | 41 |
11 |
| ThyssenKrupp AG | 3086 |
10 |
| Tecnored Desenvolvimento Tecnologico S.A. | 22 |
5 |
| ThyssenKrupp Industrial Solutions AG | 729 |
5 |
| Tecforlime | 9 |
5 |
| Calix Ltd | 86 |
2 |
| Paul Wurth S.A. | 392 |
2 |
| S.A. Lhoist Recherche et Developpement | 163 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| Tokyo Electron Limited | 11599 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
1 |
| Eugene Technology Co., Ltd. | 171 |
1 |
| Gautschi Engineering GmbH | 12 |
1 |
| Magna International Inc. | 1236 |
1 |
| Omya International AG | 816 |
1 |
| Sandvik Intellectual Property AB | 1634 |
1 |
| SMS Siemag Aktiengesellschaft | 529 |
1 |
| Street Design Corp. | 6 |
1 |
| Toho Titanium Co., Ltd. | 249 |
1 |
| Vicat | 84 |
1 |
| Other owners | 6 |