- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/185 - Mullite
Patent holdings for IPC class C04B 35/185
Total number of patents in this class: 306
10-year publication summary
|
22
|
29
|
29
|
38
|
24
|
16
|
14
|
5
|
13
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
43 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
17 |
| Safran Ceramics | 409 |
16 |
| NGK Insulators, Ltd. | 4943 |
11 |
| Dow Global Technologies LLC | 10385 |
11 |
| Safran Aircraft Engines | 6265 |
11 |
| Siemens AG | 24552 |
10 |
| SAFRAN S.A. | 607 |
8 |
| Refractory Intellectual Property GmbH & Co. KG | 535 |
8 |
| GE Infrastructure Technology, LLC | 6201 |
5 |
| 3m Innovative Properties Company | 17853 |
4 |
| HUG Engineering AG | 36 |
4 |
| Imerys Ceramics France | 26 |
4 |
| Research Institute of Industrial Science & Technology | 502 |
4 |
| Saint-Gobain Ceramics & Plastics, Inc. | 839 |
4 |
| Honeywell International Inc. | 13573 |
3 |
| Centre National de La Recherche Scientifique | 10395 |
3 |
| Kyocera Corporation | 13721 |
3 |
| Dow Global Technologies Inc. | 848 |
3 |
| Newsouth Innovations Pty Limited | 591 |
3 |
| Other owners | 131 |