- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 1/00 - Shaft or like vertical or substantially vertical furnaces
Patent holdings for IPC class F27B 1/00
Total number of patents in this class: 191
10-year publication summary
|
6
|
4
|
10
|
8
|
6
|
4
|
18
|
12
|
32
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.A. Lhoist Recherche et Developpement | 188 |
24 |
| ThyssenKrupp AG | 3350 |
16 |
| Maerz Ofenbau AG | 46 |
12 |
| thyssenkrupp Polysius GmbH | 138 |
9 |
| Cemgreen ApS | 13 |
6 |
| Calix Ltd | 95 |
4 |
| ThyssenKrupp Industrial Solutions AG | 632 |
4 |
| Binder + Co AG | 44 |
3 |
| Ensyn Renewables, Inc. | 74 |
3 |
| JFE Steel Corporation | 7090 |
3 |
| Midrex Technologies, Inc. | 113 |
3 |
| Omya International AG | 770 |
3 |
| Vicat | 99 |
3 |
| Hybrit Development AB | 67 |
3 |
| Carbicrete Inc. | 69 |
3 |
| ONEJOON GmbH | 29 |
3 |
| Tecforlime | 6 |
3 |
| Carmeuse Technologies | 16 |
3 |
| Newsouth Innovations Pty Limited | 603 |
2 |
| Taiyo Nippon Sanso Corporation | 368 |
2 |
| Other owners | 79 |