- 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: 244
10-year publication summary
4
|
24
|
27
|
24
|
29
|
22
|
19
|
18
|
19
|
9
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Imertech SAS | 227 |
8 |
Halliburton Energy Services, Inc. | 20730 |
6 |
Nichias Corporation | 390 |
5 |
Lamberti SpA | 255 |
4 |
Keda Clean Energy Co. Ltd. | 38 |
4 |
Cosentino Research & Development, S.L. | 37 |
4 |
Vecor Ceramic Tiles Italia S.r.l. | 16 |
4 |
Active Minerals International, LLC | 44 |
3 |
Crayola LLC | 186 |
3 |
Delta Faucet Company | 2751 |
3 |
Toto Ltd. | 1162 |
3 |
Vecor IP Holdings Limited | 32 |
3 |
COTTRILL, Emily Elizabeth Helen | 41 |
3 |
Tdh - GmbH Technischer Dämmstoffhandel | 8 |
3 |
United Technologies Corporation | 2247 |
2 |
Corning Incorporated | 10232 |
2 |
Beijing University of Technology | 490 |
2 |
Guangdong Homeway Ceramics Industry Co.,Ltd. | 6 |
2 |
Hüttenes-Albertus Chemische Werke GmbH | 156 |
2 |
Monalisa Group Co., Ltd. | 37 |
2 |
Other owners | 176 |