- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 38/08 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by adding porous substances
Patent holdings for IPC class C04B 38/08
Total number of patents in this class: 194
10-year publication summary
|
14
|
10
|
14
|
20
|
13
|
20
|
18
|
11
|
17
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4879 |
9 |
| Earthstone International LLC | 16 |
9 |
| Construction Research & Technology GmbH | 652 |
7 |
| Corning Incorporated | 10169 |
5 |
| Scientific Design Company, Inc. | 115 |
5 |
| General Electric Company | 17066 |
4 |
| Whirlpool Corporation | 4383 |
4 |
| Eagle Strong Investments, LLC | 10 |
4 |
| Hüttenes-Albertus Chemische Werke GmbH | 156 |
3 |
| Powdermet, Inc. | 45 |
3 |
| Shenzhen Smoore Technology Limited | 1502 |
3 |
| University of Tasmania | 70 |
3 |
| ZYP Coatings, Inc. | 33 |
3 |
| Tdh - GmbH Technischer Dämmstoffhandel | 8 |
3 |
| Denso Corporation | 24042 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2731 |
2 |
| Ibiden Co., Ltd. | 1733 |
2 |
| JSR Corporation | 2507 |
2 |
| AAC Technologies (Nanjing) Co., Ltd. | 356 |
2 |
| ALD Group Limited | 114 |
2 |
| Other owners | 117 |