- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/13 - Mixtures thereof with inorganic cementitious materials, e.g. Portland cements
Patent holdings for IPC class C04B 7/13
Total number of patents in this class: 88
10-year publication summary
|
2
|
7
|
4
|
5
|
6
|
6
|
4
|
5
|
13
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 48 |
8 |
| Holcim Technology Ltd. | 736 |
5 |
| HeidelbergCement AG | 79 |
4 |
| Cemgreen ApS | 13 |
4 |
| Procedo Enterprises Etablissement | 9 |
3 |
| Halliburton Energy Services, Inc. | 20977 |
2 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 825 |
2 |
| The Board of Trustees of the University of Alabama | 419 |
2 |
| Colorado School of Mines | 185 |
2 |
| CR Minerals Company, LLC | 24 |
2 |
| Parex USA, Inc. | 38 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 865 |
2 |
| Socpra Sciences et Genie S.E.C. | 201 |
2 |
| ThyssenKrupp Industrial Solutions AG | 632 |
2 |
| Carbon Upcycling Technologies Inc. | 32 |
2 |
| 2581776 Ontario Inc. | 4 |
2 |
| União Brasileira de Educação e Assistência, Mantenedora da Pucrs | 53 |
2 |
| Heidelberg Materials AG | 96 |
2 |
| Hsustainability GmbH | 40 |
2 |
| Board of Regents, The University of Texas System | 5884 |
1 |
| Other owners | 35 |