- 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: 78
10-year publication summary
|
2
|
12
|
11
|
7
|
6
|
3
|
9
|
2
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10510 |
11 |
| Sumitomo Chemical Company, Limited | 8968 |
8 |
| United States Gypsum Company | 932 |
8 |
| NGK Insulators, Ltd. | 5239 |
5 |
| Elematic Oy Ab | 11 |
5 |
| XtreeE | 14 |
5 |
| Elastic Potential, S.L. | 9 |
3 |
| Concore BV | 10 |
3 |
| B.T. Innovation GmbH | 46 |
2 |
| Comadur S.A. | 97 |
2 |
| The Intellectual Gorilla GmbH | 29 |
2 |
| Sika Technology AG | 3006 |
2 |
| COBOD International A/S | 11 |
2 |
| D & D Manufacturing | 7 |
1 |
| Dongguan University of Technology | 162 |
1 |
| Gimac di Maccagnan Giorgio | 18 |
1 |
| Knauf Gips KG | 643 |
1 |
| Kolon Plastics, Inc. | 40 |
1 |
| Nidec-Shimpo Corporation | 76 |
1 |
| O.m.g. SRL | 24 |
1 |
| Other owners | 13 |