- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 3/02 - Producing shaped articles from the material by using pressesPresses specially adapted therefor wherein a ram exerts pressure on the material in a moulding spaceRam heads of special form
Patent holdings for IPC class B28B 3/02
Total number of patents in this class: 391
10-year publication summary
|
16
|
45
|
33
|
27
|
34
|
39
|
34
|
27
|
33
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kobra Formen GmbH | 36 |
17 |
| Heraeus Covantics North America LLC | 37 |
11 |
| Enevate Corporation | 414 |
9 |
| Corning Incorporated | 10385 |
8 |
| Siti B&t Group S.p.A. | 78 |
8 |
| Keystone Retaining Wall Systems LLC | 207 |
7 |
| System S.p.A. | 49 |
6 |
| System Ceramics S.p.A. | 147 |
6 |
| Heraeus Conamic North America LLC | 21 |
6 |
| The Boeing Company | 20186 |
5 |
| NGK Insulators, Ltd. | 5146 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
5 |
| Bautex Systems, LLC | 7 |
5 |
| Cambria Company LLC | 323 |
5 |
| Nichiha Corporation | 176 |
5 |
| Norimat | 13 |
5 |
| Centre National de La Recherche Scientifique | 10706 |
4 |
| Rampf Formen GmbH | 34 |
4 |
| Fujian Qunfeng Machinery Co., Ltd. | 10 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
3 |
| Other owners | 263 |