- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 33/13 - Compounding ingredients
Patent holdings for IPC class C04B 33/13
Total number of patents in this class: 248
10-year publication summary
|
23
|
27
|
23
|
29
|
21
|
19
|
17
|
19
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Imertech SAS | 236 |
9 |
| Halliburton Energy Services, Inc. | 21115 |
6 |
| Lamberti SpA | 256 |
5 |
| Nichias Corporation | 398 |
5 |
| Keda Clean Energy Co. Ltd. | 38 |
4 |
| Cosentino Research & Development, S.L. | 40 |
4 |
| Vecor Ceramic Tiles Italia S.r.l. | 16 |
4 |
| Active Minerals International, LLC | 50 |
3 |
| Crayola LLC | 193 |
3 |
| Delta Faucet Company | 2731 |
3 |
| Toto Ltd. | 1229 |
3 |
| Vecor IP Holdings Limited | 32 |
3 |
| COTTRILL, Emily Elizabeth Helen | 41 |
3 |
| Tdh - GmbH Technischer Dämmstoffhandel | 8 |
3 |
| United Technologies Corporation | 2224 |
2 |
| Corning Incorporated | 10396 |
2 |
| Beijing University of Technology | 511 |
2 |
| Guangdong Homeway Ceramics Industry Co.,Ltd. | 6 |
2 |
| Hüttenes-Albertus Chemische Werke GmbH | 144 |
2 |
| Monalisa Group Co., Ltd. | 39 |
2 |
| Other owners | 178 |