- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 33/30 - Drying methods
Patent holdings for IPC class C04B 33/30
Total number of patents in this class: 76
10-year publication summary
|
7
|
11
|
10
|
8
|
7
|
1
|
8
|
2
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10421 |
4 |
| NGK Insulators, Ltd. | 5212 |
3 |
| Delta Faucet Company | 2754 |
3 |
| OCP S.A. | 83 |
3 |
| Harbour Stone B.V. | 6 |
3 |
| Hitachi Metals, Ltd. | 1920 |
2 |
| Active Minerals International, LLC | 51 |
2 |
| Prayon | 11 |
2 |
| Rjsk, LLC | 4 |
2 |
| Association pour La Recherche Developpement des Methodes et Processus Industriels (armines) | 11 |
2 |
| Renescience A/S | 34 |
2 |
| Bottega Del Fuoco di Davoli e C. SNC | 2 |
2 |
| Signa Labs S.r.l. | 3 |
2 |
| Imertech SAS | 238 |
2 |
| Seegex | 3 |
2 |
| Fuji Electric Co., Ltd. | 5401 |
1 |
| Ibiden Co., Ltd. | 1661 |
1 |
| Argillon GmbH | 3 |
1 |
| The Belden Brick Company, LLC | 7 |
1 |
| Cementos Argos S.A. | 37 |
1 |
| Other owners | 35 |