- 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: 174
10-year publication summary
|
13
|
9
|
24
|
20
|
11
|
12
|
18
|
18
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 941 |
15 |
| Triton Mgo Products, LLC | 21 |
9 |
| Nichiha Corporation | 167 |
7 |
| Halliburton Energy Services, Inc. | 21292 |
6 |
| Knauf Gips KG | 645 |
6 |
| Etex Services NV | 61 |
6 |
| Imertech SAS | 244 |
5 |
| Whirlpool Corporation | 4683 |
4 |
| Georgia-Pacific Gypsum LLC | 225 |
4 |
| Geopolymer Solutions, LLC | 16 |
4 |
| USG Interiors, LLC | 319 |
4 |
| Gold Bond Building Products, LLC | 190 |
4 |
| Arclin USA, LLC. | 93 |
3 |
| Eternit N.V. | 41 |
3 |
| Saint-Gobain Placo | 278 |
3 |
| Mgo Systems Ltd. | 8 |
3 |
| Omya International AG | 6 |
3 |
| Binder + Co AG | 43 |
2 |
| The Intellectual Gorilla GmbH | 29 |
2 |
| James Hardie Technology Limited | 457 |
2 |
| Other owners | 79 |