- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/45 - Coating or impregnating
Patent holdings for IPC class C04B 41/45
Total number of patents in this class: 1228
10-year publication summary
|
56
|
72
|
88
|
104
|
109
|
91
|
107
|
137
|
145
|
81
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10222 |
81 |
| Corning Incorporated | 10558 |
45 |
| General Electric Company | 14010 |
35 |
| Rolls-Royce Corporation | 1685 |
35 |
| Goodrich Corporation | 2182 |
27 |
| Safran Ceramics | 450 |
27 |
| Centre National de La Recherche Scientifique | 11133 |
21 |
| Rolls-Royce High Temperature Composites, Inc. | 137 |
21 |
| Honeywell International Inc. | 12767 |
16 |
| Applied Materials, Inc. | 20625 |
13 |
| NGK Insulators, Ltd. | 5168 |
11 |
| James R. Glidewell Dental Ceramics, Inc. | 262 |
11 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 499 |
10 |
| Universite de Bordeaux | 947 |
10 |
| UNILIN, besloten vennootschap | 1010 |
9 |
| Rolls-Royce PLC | 3234 |
8 |
| II-VI Delaware, Inc. | 1621 |
8 |
| Safran Aircraft Engines | 6801 |
8 |
| United States Gypsum Company | 949 |
8 |
| TDK Electronics AG | 1024 |
8 |
| Other owners | 816 |