- 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: 1146
10-year publication summary
|
63
|
50
|
69
|
86
|
101
|
106
|
91
|
103
|
134
|
132
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9576 |
69 |
| Corning Incorporated | 10383 |
46 |
| Rolls-Royce Corporation | 1751 |
35 |
| General Electric Company | 13861 |
28 |
| Goodrich Corporation | 2158 |
26 |
| Safran Ceramics | 417 |
24 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
20 |
| Centre National de La Recherche Scientifique | 10666 |
19 |
| Honeywell International Inc. | 13554 |
16 |
| Applied Materials, Inc. | 19204 |
14 |
| NGK Insulators, Ltd. | 5137 |
11 |
| James R. Glidewell Dental Ceramics, Inc. | 255 |
11 |
| Safran Aircraft Engines | 6384 |
9 |
| Universite de Bordeaux | 884 |
9 |
| Rolls-Royce PLC | 3141 |
8 |
| Construction Research & Technology GmbH | 636 |
8 |
| United States Gypsum Company | 905 |
8 |
| TDK Electronics AG | 967 |
8 |
| UNILIN, besloten vennootschap | 904 |
8 |
| 3m Innovative Properties Company | 17737 |
7 |
| Other owners | 762 |