- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 33/14 - Colouring matters
Patent holdings for IPC class C04B 33/14
Total number of patents in this class: 49
10-year publication summary
|
1
|
6
|
4
|
6
|
7
|
4
|
3
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crayola LLC | 189 |
5 |
| CertainTeed LLC | 569 |
3 |
| Hüttenes-Albertus Chemische Werke GmbH | 157 |
2 |
| Iluka Resources Limited | 37 |
2 |
| University of Richmond | 19 |
2 |
| Cosentino Research & Development, S.L. | 37 |
2 |
| Alusid Limited | 2 |
2 |
| Harbour Stone B.V. | 6 |
2 |
| Merck Patent GmbH | 5820 |
1 |
| ALTEO Gardanne | 8 |
1 |
| The Belden Brick Company, LLC | 6 |
1 |
| Cooperativa Ceramica D'imola S.C. | 54 |
1 |
| Cosentino Research and Development, S.L | 8 |
1 |
| Dongguk University Industry-Academic Cooperation Foundation | 436 |
1 |
| Ferro Corporation | 240 |
1 |
| Foshan Viewgres Co., Ltd | 4 |
1 |
| Granitifiandre S.p.A. | 111 |
1 |
| Gruppo Concorde SpA | 9 |
1 |
| Inax Corporation | 18 |
1 |
| Inha-Industry Partnership Institute | 172 |
1 |
| Other owners | 17 |