- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/18 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
Patent holdings for IPC class C04B 28/18
Total number of patents in this class: 444
10-year publication summary
|
50
|
28
|
41
|
38
|
36
|
33
|
38
|
30
|
26
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
57 |
| Solidia Technologies, Inc. | 78 |
27 |
| Carbicrete Inc. | 74 |
18 |
| Graymont Western Canada Inc. | 54 |
9 |
| Sublime Systems, Inc. | 38 |
9 |
| HeidelbergCement AG | 78 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
8 |
| United States Gypsum Company | 927 |
8 |
| Schlumberger Technology Corporation | 11818 |
7 |
| BASF SE | 21303 |
6 |
| Construction Research & Technology GmbH | 602 |
6 |
| Septodont OU Septodont SAS OU Specialites Septodont | 55 |
6 |
| Adaptavate Ltd | 22 |
6 |
| Bauhaus-Universitat Weimar | 15 |
5 |
| Holcim Technology Ltd. | 485 |
5 |
| Lafarge | 120 |
5 |
| Saudi Arabian Oil Company | 14235 |
5 |
| University of Virginia Patent Foundation | 1643 |
5 |
| OLIMENT® GmbH | 14 |
5 |
| Asahi Kasei Construction Materials Corporation | 63 |
4 |
| Other owners | 235 |