- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 38/06 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by burning-out added substances
Patent holdings for IPC class C04B 38/06
Total number of patents in this class: 637
10-year publication summary
|
38
|
58
|
45
|
62
|
37
|
26
|
54
|
43
|
25
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
49 |
| NGK Insulators, Ltd. | 4941 |
46 |
| Hitachi Metals, Ltd. | 1985 |
23 |
| Ibiden Co., Ltd. | 1703 |
20 |
| Centre National de La Recherche Scientifique | 10414 |
16 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3967 |
12 |
| Shenzhen Smoore Technology Limited | 1521 |
11 |
| General Electric Company | 13811 |
10 |
| Sumitomo Chemical Company, Limited | 9040 |
9 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
9 |
| ShenZhen Woody Vapes Technology Co., Ltd. | 321 |
8 |
| Universite de Limoges | 208 |
7 |
| Rtx Corporation | 9332 |
7 |
| Foseco International Limited | 213 |
6 |
| Nanjing University of Aeronautics and Astronautics | 425 |
6 |
| Kyocera Corporation | 13784 |
5 |
| Toray Industries, Inc. | 6931 |
5 |
| Archer Daniels Midland Company | 1110 |
5 |
| Huizhou Happy Vaping Technology Limited | 171 |
5 |
| Jiangsu Zhongyi Automobile New Material Technology Co., Ltd. | 6 |
5 |
| Other owners | 373 |