- 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: 195
10-year publication summary
|
4
|
3
|
5
|
9
|
5
|
25
|
10
|
26
|
26
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.A. Lhoist Recherche et Developpement | 207 |
42 |
| Maerz Ofenbau AG | 55 |
31 |
| ThyssenKrupp AG | 3337 |
26 |
| thyssenkrupp Polysius GmbH | 173 |
9 |
| Tecforlime | 9 |
8 |
| ThyssenKrupp Industrial Solutions AG | 630 |
6 |
| Carmeuse Technologies | 24 |
6 |
| Calix Ltd | 88 |
5 |
| United States Gypsum Company | 951 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1456 |
3 |
| Fels-Werke GmbH | 28 |
3 |
| KHD Humboldt Wedag GmbH | 195 |
3 |
| Carmeuse Lime, Inc. | 33 |
2 |
| Consejo Superior de Investigaciones Cientificas | 797 |
2 |
| Ecoloop GmbH | 22 |
2 |
| Refratechnik Holding GmbH | 147 |
2 |
| Vicat | 105 |
2 |
| Yara International ASA | 910 |
2 |
| GPCP IP Holdings LLC | 1525 |
2 |
| FLSmidth A/S | 785 |
2 |
| Other owners | 33 |