- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/82 - AsbestosGlassFused silica
Patent holdings for IPC class C04B 35/82
Total number of patents in this class: 83
10-year publication summary
|
13
|
4
|
6
|
12
|
3
|
7
|
3
|
7
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9429 |
10 |
| Aspen Aerogels, Inc. | 252 |
4 |
| Baker Hughes Holdings LLC | 3003 |
4 |
| Arkema France | 4162 |
3 |
| Johnson Matthey Public Limited Company | 1866 |
3 |
| Baker Hughes, a GE Company, LLC | 2110 |
3 |
| Northrop Grumman Systems Corporation | 2935 |
2 |
| JFE Steel Corporation | 6892 |
2 |
| Rolls-Royce Corporation | 1757 |
2 |
| Safran Ceramics | 410 |
2 |
| Bigaran S.r.l | 3 |
2 |
| Nanotech, Inc | 19 |
2 |
| Scintilex, LLC | 3 |
2 |
| General Electric Company | 13827 |
1 |
| Siemens AG | 24421 |
1 |
| LG Chem, Ltd. | 17643 |
1 |
| Hitachi Metals, Ltd. | 1976 |
1 |
| Nitto Denko Corporation | 8273 |
1 |
| Corning Incorporated | 10294 |
1 |
| Rolls-Royce PLC | 3127 |
1 |
| Other owners | 35 |