- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/34 - Hydraulic lime cementsRoman cements
Patent holdings for IPC class C04B 7/34
Total number of patents in this class: 144
10-year publication summary
|
12
|
18
|
12
|
18
|
13
|
6
|
3
|
14
|
11
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20946 |
13 |
| Graymont Western Canada Inc. | 44 |
6 |
| Arelac, Inc. | 107 |
6 |
| CarbonCure Technologies Inc. | 88 |
5 |
| James Hardie Technology Limited | 463 |
5 |
| Saudi Arabian Oil Company | 13372 |
5 |
| Roman Cement, LLC | 48 |
4 |
| United States Gypsum Company | 905 |
4 |
| CertainTeed Gypsum, Inc. | 209 |
3 |
| Sika Technology AG | 2875 |
3 |
| Sudbayerisches Portland-zementwerk Gebr. Wiesbock & Co. GmbH | 17 |
3 |
| Yildiz Teknik Universitesi | 160 |
3 |
| British Columbia Institute of Technology | 40 |
2 |
| Calix Ltd | 93 |
2 |
| D-Trace Investments, LLC | 8 |
2 |
| Knauf Insulation SPRL | 174 |
2 |
| Solidia Technologies, Inc. | 89 |
2 |
| Vesuvius USA Corporation | 92 |
2 |
| Eagle Strong Investments, LLC | 11 |
2 |
| Terra CO2 Technology Holdings, Inc. | 37 |
2 |
| Other owners | 68 |