- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/628 - Coating the powders
Patent holdings for IPC class C04B 35/628
Total number of patents in this class: 1342
10-year publication summary
|
92
|
143
|
121
|
100
|
97
|
74
|
100
|
101
|
78
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9931 |
131 |
| Safran Ceramics | 433 |
107 |
| Centre National de La Recherche Scientifique | 10899 |
51 |
| Rolls-Royce Corporation | 1681 |
41 |
| Rolls-Royce High Temperature Composites, Inc. | 135 |
38 |
| General Electric Company | 13822 |
36 |
| Goodrich Corporation | 2179 |
28 |
| Universite de Bordeaux | 917 |
23 |
| 3m Innovative Properties Company | 17494 |
21 |
| Applied Materials, Inc. | 20135 |
13 |
| Herakles | 154 |
13 |
| Samsung Electro-mechanics Co., Ltd. | 5918 |
11 |
| Fujimi Incorporated | 799 |
11 |
| Safran Aircraft Engines | 6570 |
10 |
| Saint-Gobain Ceramics & Plastics, Inc. | 804 |
10 |
| Siemens AG | 24159 |
9 |
| Free Form Fibers, LLC | 39 |
9 |
| HRL Laboratories, LLC | 1626 |
9 |
| Refractory Intellectual Property GmbH & Co. KG | 561 |
8 |
| Sumitomo Electric Hardmetal Corp. | 1093 |
7 |
| Other owners | 756 |