- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 33/32 - Burning methods
Patent holdings for IPC class C04B 33/32
Total number of patents in this class: 216
10-year publication summary
|
15
|
15
|
19
|
13
|
16
|
7
|
13
|
18
|
7
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5231 |
13 |
| Corning Incorporated | 10499 |
8 |
| Vecor IP Holdings Limited | 29 |
5 |
| Imertech SAS | 244 |
5 |
| Vecor Ceramic Tiles Italia S.r.l. | 16 |
5 |
| Cosentino Research & Development, S.L. | 49 |
4 |
| Tipco BV | 12 |
4 |
| BASF SE | 21313 |
3 |
| Ibiden Co., Ltd. | 1662 |
3 |
| CARBO Ceramics Inc. | 176 |
3 |
| OCP S.A. | 85 |
3 |
| Harbour Stone B.V. | 6 |
3 |
| United Technologies Corporation | 2220 |
2 |
| Hitachi Metals, Ltd. | 1901 |
2 |
| Tsinghua University | 6199 |
2 |
| Coolbrook Oy | 73 |
2 |
| Hüttenes-Albertus Chemische Werke GmbH | 149 |
2 |
| JWN, Inc. | 3 |
2 |
| Mitsui Mining & Smelting Co., Ltd. | 1342 |
2 |
| Outotec Oyj | 236 |
2 |
| Other owners | 141 |