- 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: 1167
10-year publication summary
|
50
|
69
|
86
|
101
|
106
|
91
|
103
|
134
|
141
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9802 |
72 |
| Corning Incorporated | 10411 |
45 |
| Rolls-Royce Corporation | 1692 |
35 |
| General Electric Company | 13811 |
28 |
| Goodrich Corporation | 2183 |
26 |
| Safran Ceramics | 420 |
26 |
| Rolls-Royce High Temperature Composites, Inc. | 135 |
21 |
| Centre National de La Recherche Scientifique | 10841 |
20 |
| Honeywell International Inc. | 13590 |
16 |
| Applied Materials, Inc. | 19863 |
14 |
| NGK Insulators, Ltd. | 5201 |
11 |
| James R. Glidewell Dental Ceramics, Inc. | 260 |
11 |
| Universite de Bordeaux | 906 |
10 |
| Safran Aircraft Engines | 6497 |
9 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 494 |
9 |
| UNILIN, besloten vennootschap | 946 |
9 |
| Rolls-Royce PLC | 3178 |
8 |
| Construction Research & Technology GmbH | 623 |
8 |
| United States Gypsum Company | 902 |
8 |
| TDK Electronics AG | 995 |
8 |
| Other owners | 773 |