- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/50 - Coating or impregnating with inorganic materials
Patent holdings for IPC class C04B 41/50
Total number of patents in this class: 1369
10-year publication summary
|
99
|
95
|
115
|
133
|
113
|
129
|
97
|
98
|
121
|
105
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9601 |
79 |
| General Electric Company | 13830 |
59 |
| Rolls-Royce Corporation | 1753 |
41 |
| Corning Incorporated | 10385 |
36 |
| Goodrich Corporation | 2186 |
34 |
| Applied Materials, Inc. | 19298 |
27 |
| Quantumscape Battery, Inc. | 201 |
24 |
| Honeywell International Inc. | 13571 |
23 |
| NGK Insulators, Ltd. | 5146 |
23 |
| Rolls-Royce High Temperature Composites, Inc. | 135 |
21 |
| Safran Ceramics | 420 |
18 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 490 |
15 |
| James R. Glidewell Dental Ceramics, Inc. | 255 |
12 |
| Toto Ltd. | 1219 |
12 |
| Tungaloy Corporation | 520 |
12 |
| 3m Innovative Properties Company | 17719 |
11 |
| Ibiden Co., Ltd. | 1708 |
11 |
| Microban Products Company | 306 |
11 |
| United States Gypsum Company | 903 |
11 |
| Centre National de La Recherche Scientifique | 10706 |
10 |
| Other owners | 879 |