- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/40 - DehydratingForming, e.g. granulating
Patent holdings for IPC class C04B 7/40
Total number of patents in this class: 31
10-year publication summary
|
1
|
1
|
3
|
0
|
2
|
4
|
4
|
5
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Progressive Planet Solutions Inc. | 14 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 851 |
2 |
| Shandong University | 1045 |
2 |
| União Brasileira de Educação e Assistência, Mantenedora da Pucrs | 53 |
2 |
| Macrocement Industries Ltd. | 11 |
2 |
| ARDEX Group GmbH | 17 |
2 |
| The Trustees of Columbia University in the City of New York | 3577 |
1 |
| Ecoloop GmbH | 22 |
1 |
| Fels-Werke GmbH | 30 |
1 |
| Gerdau S.A. | 11 |
1 |
| KHD Humboldt Wedag GmbH | 191 |
1 |
| National Cheng Kung University | 569 |
1 |
| Solidia Technologies, Inc. | 90 |
1 |
| Vhsc, Ltd. | 6 |
1 |
| Wuhan University of Technology | 191 |
1 |
| Sudbayerisches Portland-zementwerk Gebr. Wiesbock & Co. GmbH | 17 |
1 |
| FLSmidth A/S | 771 |
1 |
| Taiheiyo Engineering Corporation | 27 |
1 |
| Bulk Materials International Co. | 1 |
1 |
| Alden Group Environmental Solutions, LLC | 2 |
1 |
| Other owners | 4 |