- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 3/22 - Producing shaped articles from the material by using pressesPresses specially adapted therefor wherein the material is extruded by screw or worm
Patent holdings for IPC class B28B 3/22
Total number of patents in this class: 79
10-year publication summary
|
6
|
2
|
10
|
10
|
7
|
6
|
3
|
8
|
2
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10383 |
11 |
| Sumitomo Chemical Company, Limited | 9110 |
8 |
| United States Gypsum Company | 905 |
8 |
| NGK Insulators, Ltd. | 5137 |
5 |
| Elematic Oy Ab | 11 |
5 |
| XtreeE | 14 |
5 |
| Elastic Potential, S.L. | 7 |
3 |
| Concore BV | 10 |
3 |
| B.T. Innovation GmbH | 47 |
2 |
| Comadur S.A. | 90 |
2 |
| The Intellectual Gorilla GmbH | 29 |
2 |
| Sika Technology AG | 2904 |
2 |
| COBOD International A/S | 10 |
2 |
| Ibiden Co., Ltd. | 1713 |
1 |
| D & D Manufacturing | 7 |
1 |
| Dongguan University of Technology | 156 |
1 |
| Gimac di Maccagnan Giorgio | 17 |
1 |
| Knauf Gips KG | 616 |
1 |
| Kolon Plastics, Inc. | 62 |
1 |
| Nidec-Shimpo Corporation | 91 |
1 |
| Other owners | 14 |