- All sections
- B - Performing operationstransporting
- B28C - Preparing clayproducing mixtures containing clay or cementitious material, e.g. plaster
- B28C 5/02 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions without using driven mechanical means effecting the mixing
Patent holdings for IPC class B28C 5/02
Total number of patents in this class: 57
10-year publication summary
|
2
|
5
|
5
|
2
|
9
|
8
|
7
|
3
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2870 |
5 |
| En-Tech Corporation | 13 |
4 |
| Certainteed Gypsum Operating Company, LLC | 16 |
3 |
| President and Fellows of Harvard College | 5993 |
2 |
| CarbonCure Technologies Inc. | 87 |
2 |
| Normet International Ltd. | 150 |
2 |
| Putzmeister Engineering GmbH | 340 |
2 |
| Refractory Intellectual Property GmbH & Co. KG | 541 |
2 |
| Refratechnik Holding GmbH | 145 |
2 |
| Soletanche Freyssinet | 481 |
2 |
| Universite Laval | 716 |
2 |
| Vesuvius USA Corporation | 92 |
2 |
| Cromology | 4 |
2 |
| Air Krete, Inc. | 4 |
1 |
| Airgas, Inc. | 153 |
1 |
| Construction Research & Technology GmbH | 641 |
1 |
| CRB Nederland B.V. | 5 |
1 |
| Kangwon National University University-industry Cooperation Foundation | 40 |
1 |
| Knauf Gips KG | 601 |
1 |
| Lafarge | 128 |
1 |
| Other owners | 18 |