- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 12/00 - Cements not provided for in groups
Patent holdings for IPC class C04B 12/00
Total number of patents in this class: 296
10-year publication summary
|
21
|
19
|
18
|
18
|
26
|
21
|
30
|
27
|
35
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BioMason, Inc. | 63 |
14 |
| United States Gypsum Company | 943 |
11 |
| Schlumberger Technology Corporation | 11893 |
9 |
| Solidia Technologies, Inc. | 78 |
8 |
| Schlumberger Canada Limited | 7627 |
6 |
| Schlumberger Technology B.v. | 5302 |
6 |
| The Catholic University of America | 99 |
6 |
| Greencraft LLC | 32 |
6 |
| Services Petroliers Schlumberger | 6038 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
5 |
| ITT Italia S.r.l. | 169 |
5 |
| The Regents of the University of Colorado, a body corporate | 2835 |
5 |
| Saudi Arabian Oil Company | 14329 |
5 |
| Carbon Limit Co. | 10 |
5 |
| Building Armour Industries LLC | 5 |
5 |
| Halliburton Energy Services, Inc. | 21296 |
4 |
| Arclin USA, LLC. | 93 |
3 |
| Katholieke Universiteit Leuven | 1297 |
3 |
| Shenzhen University | 1731 |
3 |
| Soletanche Freyssinet | 492 |
3 |
| Other owners | 178 |