- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/08 - Diatomaceous earth
Patent holdings for IPC class C04B 14/08
Total number of patents in this class: 38
10-year publication summary
|
4
|
4
|
2
|
4
|
5
|
4
|
3
|
5
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EP Minerals, LLC | 90 |
4 |
| U.S. Concrete, Inc. | 14 |
3 |
| CertainTeed Gypsum, Inc. | 209 |
2 |
| The Regents of the University of Colorado, a body corporate | 2660 |
2 |
| Yummet LLC | 3 |
2 |
| Akita University | 98 |
1 |
| AM Technology Limited | 15 |
1 |
| Ashtech Industries, LLC | 3 |
1 |
| James Hardie Technology Limited | 461 |
1 |
| Nikko Company | 15 |
1 |
| Procedo Enterprises Etablissement | 9 |
1 |
| Sika Technology AG | 2873 |
1 |
| Taktl, LLC | 7 |
1 |
| Yara International ASA | 864 |
1 |
| Yoshino Gypsum Co., Ltd. | 252 |
1 |
| Sakaegumi Corporation | 5 |
1 |
| Ecocem Materials Ltd. | 42 |
1 |
| Imertech SAS | 228 |
1 |
| Hachinohe Institute of Technology | 1 |
1 |
| Lakwoo Industry Co., Ltd. | 1 |
1 |
| Other owners | 10 |