- 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: 86
10-year publication summary
|
4
|
10
|
7
|
5
|
8
|
8
|
5
|
6
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 47 |
8 |
| Holcim Technology Ltd. | 991 |
6 |
| HeidelbergCement AG | 79 |
4 |
| Cemgreen ApS | 13 |
4 |
| Procedo Enterprises Etablissement | 9 |
3 |
| Halliburton Energy Services, Inc. | 20879 |
2 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 825 |
2 |
| The Board of Trustees of the University of Alabama | 414 |
2 |
| CR Minerals Company, LLC | 24 |
2 |
| Parex USA, Inc. | 39 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 844 |
2 |
| Socpra Sciences et Genie S.E.C. | 197 |
2 |
| ThyssenKrupp Industrial Solutions AG | 631 |
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 | 99 |
2 |
| Hsustainability GmbH | 39 |
2 |
| Board of Regents, The University of Texas System | 5786 |
1 |
| Georgia-Pacific Gypsum LLC | 219 |
1 |
| Other owners | 33 |