- 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: 1126
10-year publication summary
|
63
|
50
|
69
|
86
|
101
|
106
|
91
|
103
|
135
|
110
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9445 |
61 |
| Corning Incorporated | 10314 |
46 |
| Rolls-Royce Corporation | 1760 |
35 |
| General Electric Company | 13859 |
26 |
| Goodrich Corporation | 2140 |
26 |
| Safran Ceramics | 411 |
24 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
20 |
| Centre National de La Recherche Scientifique | 10531 |
19 |
| Honeywell International Inc. | 13560 |
16 |
| Applied Materials, Inc. | 18892 |
14 |
| NGK Insulators, Ltd. | 5046 |
11 |
| James R. Glidewell Dental Ceramics, Inc. | 250 |
11 |
| Safran Aircraft Engines | 6306 |
9 |
| Universite de Bordeaux | 869 |
9 |
| Rolls-Royce PLC | 3133 |
8 |
| Construction Research & Technology GmbH | 641 |
8 |
| TDK Electronics AG | 949 |
8 |
| UNILIN, besloten vennootschap | 886 |
8 |
| 3m Innovative Properties Company | 17781 |
7 |
| Siemens AG | 24386 |
7 |
| Other owners | 753 |