- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/70 - Coating or impregnating for obtaining at least two superposed coatings having different compositions
Patent holdings for IPC class C04B 41/70
Total number of patents in this class: 33
10-year publication summary
|
6
|
0
|
0
|
5
|
0
|
0
|
2
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 912 |
6 |
| Baustoffwerke Gebhart & Soehne GmbH & Co. KG | 19 |
4 |
| AES Co., Ltd. | 4 |
3 |
| Advanced Materials - Jtj s.r.o. | 9 |
2 |
| Sika Technology AG | 2871 |
2 |
| Technische Universiteit Delft | 725 |
2 |
| Evonik Degussa GmbH | 1520 |
1 |
| Axalta Coating Systems IP Co., LLC | 476 |
1 |
| Concria Oy | 13 |
1 |
| Johns Manville | 959 |
1 |
| Stichting voor de Technische Wetenschappen | 115 |
1 |
| Sumitomo Osaka Cement Co., Ltd. | 852 |
1 |
| USG Interiors, LLC | 308 |
1 |
| Valspar Sourcing, Inc. | 340 |
1 |
| Valspar Holdings I, Inc. | 33 |
1 |
| C-probe Systems Limited | 4 |
1 |
| Qingdao Institute of Marine Geology | 15 |
1 |
| Qingdao University of Technology | 615 |
1 |
| Eternit France SAS | 1 |
1 |
| Zhejiang Kingdom New Material Group Co., Ltd. | 25 |
1 |
| Other owners | 0 |