- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 111/40 - Porous or lightweight materials
Patent holdings for IPC class C04B 111/40
Total number of patents in this class: 264
10-year publication summary
|
21
|
24
|
28
|
15
|
20
|
20
|
25
|
26
|
27
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amrize Technology Switzerland LLC | 723 |
13 |
| Sebastos Technologies Inc. | 11 |
7 |
| Sika Technology AG | 3026 |
7 |
| The Intellectual Gorilla GmbH | 29 |
6 |
| Bautex Systems, LLC | 7 |
5 |
| James Hardie Technology Limited | 458 |
5 |
| Southeast University | 1585 |
5 |
| Kao Corporation | 5105 |
4 |
| CertainTeed Gypsum, Inc. | 222 |
4 |
| King Fahd University of Petroleum and Minerals | 1601 |
4 |
| Saint-Gobain Placo | 278 |
4 |
| Shandong University | 1162 |
4 |
| United States Gypsum Company | 949 |
4 |
| Beijing New Building Materials Public Limited Company | 108 |
4 |
| Schlumberger Technology Corporation | 11961 |
3 |
| Halliburton Energy Services, Inc. | 21299 |
3 |
| Centre National de La Recherche Scientifique | 11122 |
3 |
| Massachusetts Institute of Technology | 10313 |
3 |
| HRL Laboratories, LLC | 1644 |
3 |
| Saudi Arabian Oil Company | 14390 |
3 |
| Other owners | 170 |