- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 2/12 - Preheating, burning, calcining or cooling in shaft or vertical furnaces
Patent holdings for IPC class C04B 2/12
Total number of patents in this class: 143
10-year publication summary
|
4
|
4
|
3
|
5
|
9
|
5
|
25
|
10
|
22
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maerz Ofenbau AG | 44 |
23 |
| ThyssenKrupp AG | 3266 |
18 |
| S.A. Lhoist Recherche et Developpement | 173 |
17 |
| Tecforlime | 9 |
8 |
| Calix Ltd | 92 |
7 |
| ThyssenKrupp Industrial Solutions AG | 636 |
6 |
| thyssenkrupp Polysius GmbH | 128 |
5 |
| Carmeuse Technologies | 14 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1357 |
3 |
| Fels-Werke GmbH | 30 |
3 |
| Carmeuse Lime, Inc. | 35 |
2 |
| Consejo Superior de Investigaciones Cientificas | 887 |
2 |
| Ecoloop GmbH | 22 |
2 |
| Refratechnik Holding GmbH | 144 |
2 |
| United States Gypsum Company | 919 |
2 |
| Vicat | 97 |
2 |
| GPCP IP Holdings LLC | 1643 |
2 |
| FLSmidth A/S | 769 |
2 |
| Jiangsu Zhongshengyuan Technology Co., Ltd. | 8 |
2 |
| Origen Power Ltd | 14 |
2 |
| Other owners | 29 |