- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
Patent holdings for IPC class C04B 35/63
Total number of patents in this class: 684
10-year publication summary
|
48
|
79
|
84
|
75
|
37
|
58
|
35
|
33
|
49
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5103 |
29 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
20 |
| Refractory Intellectual Property GmbH & Co. KG | 542 |
16 |
| Refratechnik Holding GmbH | 147 |
14 |
| General Electric Company | 13858 |
12 |
| Baker Hughes Holdings LLC | 2999 |
12 |
| Sumitomo Electric Hardmetal Corp. | 1035 |
10 |
| Corning Incorporated | 10320 |
10 |
| Element Six Abrasives S.A. | 147 |
9 |
| Calderys France | 53 |
8 |
| Diamond Innovations, Inc. | 235 |
8 |
| Safran Ceramics | 412 |
8 |
| Ibiden Co., Ltd. | 1733 |
7 |
| Toshiba Materials Co., Ltd. | 654 |
7 |
| Tungaloy Corporation | 514 |
7 |
| Kyocera Corporation | 13962 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5695 |
6 |
| CARBO Ceramics Inc. | 236 |
6 |
| Denka Company Limited | 2629 |
6 |
| The Penn State Research Foundation | 1544 |
6 |
| Other owners | 477 |