- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/18 - Perlite
Patent holdings for IPC class C04B 14/18
Total number of patents in this class: 171
10-year publication summary
|
5
|
12
|
9
|
22
|
18
|
9
|
11
|
16
|
17
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 909 |
11 |
| Mitek Holdings, Inc. | 251 |
7 |
| Nichiha Corporation | 177 |
7 |
| Halliburton Energy Services, Inc. | 20937 |
6 |
| Knauf Gips KG | 604 |
6 |
| Etex Services NV | 58 |
5 |
| Imertech SAS | 228 |
5 |
| Whirlpool Corporation | 4437 |
4 |
| Georgia-Pacific Gypsum LLC | 217 |
4 |
| Geopolymer Solutions, LLC | 16 |
4 |
| USG Interiors, LLC | 308 |
4 |
| Gold Bond Building Products, LLC | 194 |
4 |
| Arclin USA, LLC. | 83 |
3 |
| Eternit N.V. | 32 |
3 |
| Saint-Gobain Placo | 229 |
3 |
| Mgo Systems Ltd. | 11 |
3 |
| Omya International AG | 9 |
3 |
| Binder + Co AG | 45 |
2 |
| The Intellectual Gorilla GmbH | 29 |
2 |
| James Hardie Technology Limited | 461 |
2 |
| Other owners | 83 |