- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 111/52 - Sound insulating materials
Patent holdings for IPC class C04B 111/52
Total number of patents in this class: 118
10-year publication summary
|
6
|
16
|
19
|
14
|
16
|
10
|
9
|
6
|
9
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2870 |
10 |
| USG Interiors, LLC | 308 |
10 |
| Goertek Inc. | 2662 |
6 |
| Holcim Technology Ltd. | 997 |
6 |
| Armstrong World Industries, Inc. | 352 |
3 |
| Parexgroup SA | 33 |
3 |
| Generative Technology Operatives, LLC | 5 |
3 |
| GP Industrial Plasters LLC | 8 |
3 |
| Henkel AG & Co. KGaA | 10590 |
2 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
2 |
| Fiberlean Technologies Limited | 114 |
2 |
| Fluorchemie GmbH Frankfurt | 12 |
2 |
| Knauf Gips KG | 601 |
2 |
| Saint-Gobain Ecophon AB | 177 |
2 |
| Saint-Gobain Weber France | 59 |
2 |
| Wacker Chemie AG | 2113 |
2 |
| Hempel Familienstiftung | 2 |
2 |
| Metallo Belgium | 53 |
2 |
| Rockwool A/S | 787 |
2 |
| SSI New Material (Zhenjiang) Co., Ltd. | 51 |
2 |
| Other owners | 50 |