- 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: 1282
10-year publication summary
|
82
|
89
|
134
|
117
|
97
|
97
|
74
|
97
|
99
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9410 |
108 |
| Safran Ceramics | 409 |
103 |
| Centre National de La Recherche Scientifique | 10464 |
49 |
| Rolls-Royce Corporation | 1739 |
41 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
37 |
| General Electric Company | 13810 |
33 |
| Goodrich Corporation | 2132 |
25 |
| Universite de Bordeaux | 861 |
22 |
| 3m Innovative Properties Company | 17823 |
21 |
| Herakles | 167 |
13 |
| Applied Materials, Inc. | 18746 |
12 |
| Fujimi Incorporated | 743 |
11 |
| Samsung Electro-mechanics Co., Ltd. | 5624 |
10 |
| Safran Aircraft Engines | 6294 |
10 |
| Saint-Gobain Ceramics & Plastics, Inc. | 840 |
10 |
| Siemens AG | 24453 |
9 |
| Free Form Fibers, LLC | 39 |
9 |
| HRL Laboratories, LLC | 1601 |
8 |
| Refractory Intellectual Property GmbH & Co. KG | 542 |
8 |
| Sumitomo Electric Hardmetal Corp. | 1026 |
7 |
| Other owners | 736 |