- 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
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0
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0
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6
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0
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0
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2
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3
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2
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 902 |
6 |
| Baustoffwerke Gebhart & Soehne GmbH & Co. KG | 23 |
4 |
| AES Co., Ltd. | 4 |
3 |
| Advanced Materials - Jtj s.r.o. | 9 |
2 |
| Sika Technology AG | 2963 |
2 |
| Technische Universiteit Delft | 760 |
2 |
| Evonik Degussa GmbH | 1404 |
1 |
| Axalta Coating Systems IP Co., LLC | 473 |
1 |
| Concria Oy | 13 |
1 |
| Johns Manville | 924 |
1 |
| Stichting voor de Technische Wetenschappen | 108 |
1 |
| Sumitomo Osaka Cement Co., Ltd. | 886 |
1 |
| USG Interiors, LLC | 316 |
1 |
| Valspar Holdings I, Inc. | 29 |
1 |
| C-probe Systems Limited | 4 |
1 |
| Qingdao Institute of Marine Geology | 15 |
1 |
| Qingdao University of Technology | 628 |
1 |
| Curecrete Distribution, Inc. | 1 |
1 |
| Eternit France SAS | 1 |
1 |
| Zhejiang Kingdom New Material Group Co., Ltd. | 43 |
1 |
| Other owners | 0 |