- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/12 - Hydraulic lime
Patent holdings for IPC class C04B 28/12
Total number of patents in this class: 159
10-year publication summary
|
10
|
12
|
6
|
14
|
8
|
18
|
20
|
11
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 3002 |
11 |
| Graymont Western Canada Inc. | 54 |
10 |
| Adaptavate Ltd | 22 |
9 |
| Construction Research & Technology GmbH | 602 |
6 |
| Saint-Gobain Weber | 175 |
5 |
| Ecocem Materials Ltd. | 50 |
5 |
| Halliburton Energy Services, Inc. | 21320 |
4 |
| Parexgroup SA | 31 |
4 |
| Institut National des Sciences Appliquees de Toulouse | 127 |
3 |
| Knauf Gips KG | 642 |
3 |
| Saint-Gobain Weber France | 76 |
3 |
| Universite Paul Sabatier Toulouse III | 477 |
3 |
| Vicat | 102 |
3 |
| École Normale Superieure Paris-saclay | 77 |
3 |
| Yildiz Teknik Universitesi | 170 |
3 |
| Hec0 Innovation Chanvre Inc. | 3 |
3 |
| Centre National de La Recherche Scientifique | 11016 |
2 |
| British Columbia Institute of Technology | 39 |
2 |
| Secil - Companhia Geral de Cal e Cimento, S.A. | 6 |
2 |
| Stonecoat of Texas, LLC | 2 |
2 |
| Other owners | 73 |