- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/12 - Natural pozzuolanasNatural pozzuolana cements
Patent holdings for IPC class C04B 7/12
Total number of patents in this class: 146
10-year publication summary
|
5
|
12
|
2
|
9
|
9
|
17
|
13
|
25
|
18
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3438 |
13 |
| Halliburton Energy Services, Inc. | 21306 |
7 |
| ThyssenKrupp Industrial Solutions AG | 630 |
7 |
| thyssenkrupp Polysius GmbH | 163 |
7 |
| Greencraft LLC | 32 |
6 |
| Sublime Systems, Inc. | 38 |
5 |
| Fives FCB | 62 |
4 |
| Holcim Technology Ltd. | 486 |
4 |
| Gold Bond Building Products, LLC | 196 |
4 |
| Cemgreen ApS | 14 |
4 |
| KHD Humboldt Wedag GmbH | 192 |
3 |
| Roman Cement, LLC | 48 |
3 |
| Solidia Technologies, Inc. | 78 |
3 |
| Vicat | 102 |
3 |
| Greenmade | 3 |
3 |
| Heidelberg Materials AG | 102 |
3 |
| The Board of Trustees of the University of Illinois | 2748 |
2 |
| Cementos Argos S.A. | 37 |
2 |
| HeidelbergCement AG | 78 |
2 |
| Flemish Government, Department of Public Works, Maritime Access | 3 |
2 |
| Other owners | 59 |