- 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: 208
10-year publication summary
|
12
|
14
|
15
|
17
|
13
|
16
|
7
|
12
|
16
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4964 |
15 |
| Corning Incorporated | 10263 |
8 |
| Vecor IP Holdings Limited | 32 |
6 |
| Vecor Ceramic Tiles Italia S.r.l. | 16 |
5 |
| Ibiden Co., Ltd. | 1704 |
4 |
| Tipco BV | 12 |
4 |
| BASF SE | 20915 |
3 |
| Hitachi Metals, Ltd. | 1983 |
3 |
| CARBO Ceramics Inc. | 235 |
3 |
| OCP S.A. | 78 |
3 |
| Renescience A/S | 43 |
3 |
| Cosentino Research & Development, S.L. | 37 |
3 |
| Imertech SAS | 230 |
3 |
| Harbour Stone B.V. | 6 |
3 |
| United Technologies Corporation | 2242 |
2 |
| Tsinghua University | 5931 |
2 |
| Ceramext, LLC | 7 |
2 |
| Hüttenes-Albertus Chemische Werke GmbH | 157 |
2 |
| JWN, Inc. | 3 |
2 |
| Mitsui Mining & Smelting Co., Ltd. | 1486 |
2 |
| Other owners | 130 |