- Sections
- C - Chimiemétallurgie
- C04B - Chauxmagnésiescoriescimentsleurs compositions, p. ex. mortiers, béton ou matériaux de construction similairespierre artificiellecéramiquesréfractairestraitement de la pierre naturelle
- C04B 28/22 - Chaux et pouzzolanes
Détention brevets de la classe C04B 28/22
Brevets de cette classe: 41
Historique des publications depuis 10 ans
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2
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0
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0
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2
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0
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1
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0
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21309 |
7 |
| Construction Research & Technology GmbH | 600 |
4 |
| United States Gypsum Company | 938 |
3 |
| Schlumberger Canada Limited | 7620 |
2 |
| Roman Cement, LLC | 48 |
2 |
| Schlumberger Technology B.v. | 5299 |
1 |
| Schlumberger Holdings Limited | 2684 |
1 |
| The Regents of the University of California | 20815 |
1 |
| Arizona Board of Regents, a Body Corporate of The State of Arizona Acting for and on Behalf of Arizona State University | 269 |
1 |
| Cellular Concrete, LLC | 2 |
1 |
| China University of Mining and Technology | 1315 |
1 |
| Hanson Aggregates LLC | 1 |
1 |
| Industry Foundation of Chonnam National University | 676 |
1 |
| Prad Research and Development Limited | 2652 |
1 |
| Promat Research and Technology Centre NV | 26 |
1 |
| Saint-Gobain Weber | 175 |
1 |
| Services Petroliers Schlumberger | 6033 |
1 |
| Vac-tron Equipment, LLC | 1 |
1 |
| Knauf Gips KG | 63 |
1 |
| BASF Wall Systems GmbH & Co. KG | 1 |
1 |
| Autres propriétaires | 8 |