- All sections
- B - Performing operations; transporting
- B28C - Preparing clay; producing mixtures containing clay or cementitious material, e.g. plaster
- B28C 5/12 - Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials
Patent holdings for IPC class B28C 5/12
Total number of patents in this class: 130
10-year publication summary
|
14
|
9
|
21
|
19
|
12
|
17
|
12
|
17
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 1019 |
25 |
| Sika Technology AG | 2650 |
18 |
| Corning Incorporated | 9932 |
4 |
| Material. Evolution Ltd. | 4 |
4 |
| Asenco NV | 3 |
3 |
| MAI International GmbH | 10 |
3 |
| Red Dog Mobile Shelters, LLC (Delaware) | 15 |
3 |
| XtreeE | 12 |
3 |
| Sonocrete GmbH | 7 |
3 |
| J&P Invesco LLC | 13 |
3 |
| Material Evolution | 3 |
3 |
| President and Fellows of Harvard College | 5792 |
2 |
| CER Group S.r.l. | 4 |
2 |
| GCP Applied Technologies Inc. | 451 |
2 |
| GEOLYTH Mineral Technologie GmbH | 26 |
2 |
| Kangwon National University University-industry Cooperation Foundation | 42 |
2 |
| S & P Clever Reinforcement Company AG | 24 |
2 |
| Yoshino Gypsum Co., Ltd. | 224 |
2 |
| Putzmeister Mörtelmaschinen GmbH | 13 |
2 |
| Rigid Mixers Limited | 2 |
2 |
| Other owners | 40 |