- 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: 408
10-year publication summary
|
46
|
33
|
29
|
40
|
39
|
36
|
32
|
34
|
40
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Heraeus Covantics North America LLC | 43 |
18 |
| Kobra Formen GmbH | 30 |
14 |
| Enevate Corporation | 440 |
9 |
| Corning Incorporated | 10538 |
8 |
| Siti B&t Group S.p.A. | 75 |
8 |
| Keystone Retaining Wall Systems LLC | 188 |
7 |
| Cambria Company LLC | 352 |
6 |
| System S.p.A. | 44 |
6 |
| System Ceramics S.p.A. | 163 |
6 |
| Heraeus Conamic North America LLC | 21 |
6 |
| The Boeing Company | 20193 |
5 |
| NGK Insulators, Ltd. | 5174 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
5 |
| Bautex Systems, LLC | 7 |
5 |
| Nichiha Corporation | 167 |
5 |
| Norimat | 13 |
5 |
| Centre National de La Recherche Scientifique | 11111 |
4 |
| Comadur S.A. | 97 |
4 |
| Ecolab USA Inc. | 5831 |
4 |
| Fujian Qunfeng Machinery Co., Ltd. | 10 |
4 |
| Other owners | 274 |