- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 393
10-year publication summary
|
23
|
33
|
50
|
28
|
40
|
38
|
36
|
33
|
33
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
61 |
| Solidia Technologies, Inc. | 113 |
42 |
| HeidelbergCement AG | 82 |
8 |
| Holcim Technology Ltd. | 868 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
8 |
| Schlumberger Technology Corporation | 9690 |
7 |
| Construction Research & Technology GmbH | 640 |
7 |
| United States Gypsum Company | 1019 |
7 |
| BASF SE | 19740 |
6 |
| Lafarge | 137 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Sublime Systems, Inc. | 19 |
5 |
| Nichiha Corporation | 186 |
4 |
| Septodont OU Septodont SAS OU Specialites Septodont | 46 |
4 |
| Sika Technology AG | 2650 |
4 |
| I4f Licensing NV | 222 |
4 |
| Solidia Technologies, Ltd. | 5 |
4 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
3 |
| Abilene Christian University, DBA ACU | 26 |
3 |
| Other owners | 195 |