- 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: 313
10-year publication summary
|
29
|
29
|
38
|
24
|
16
|
14
|
5
|
14
|
17
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10500 |
42 |
| Safran Ceramics | 446 |
16 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 493 |
16 |
| NGK Insulators, Ltd. | 5232 |
12 |
| Dow Global Technologies LLC | 10930 |
11 |
| Refractory Intellectual Property GmbH & Co. KG | 564 |
11 |
| Safran Aircraft Engines | 6671 |
11 |
| Siemens AG | 24033 |
9 |
| SAFRAN S.A. | 785 |
8 |
| GE Infrastructure Technology, LLC | 6171 |
5 |
| 3m Innovative Properties Company | 17488 |
4 |
| HUG Engineering AG | 39 |
4 |
| Imerys Ceramics France | 24 |
4 |
| Research Institute of Industrial Science & Technology | 567 |
4 |
| Saint-Gobain Ceramics & Plastics, Inc. | 805 |
4 |
| Honeywell International Inc. | 12778 |
3 |
| Centre National de La Recherche Scientifique | 11016 |
3 |
| Kyocera Corporation | 14335 |
3 |
| Dow Global Technologies Inc. | 667 |
3 |
| Oerlikon Surface Solutions AG, Pfaffikon | 555 |
3 |
| Other owners | 137 |