- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 3/12 - Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
Patent holdings for IPC class B28B 3/12
Total number of patents in this class: 103
10-year publication summary
|
11
|
7
|
8
|
7
|
15
|
20
|
2
|
7
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
22 |
| United States Gypsum Company | 1019 |
5 |
| System Ceramics S.p.A. | 111 |
5 |
| Kuraray Co., Ltd. | 3392 |
4 |
| Four Points Developments LLC | 3 |
3 |
| Sqip, LLC (a Florida LLC) | 14 |
3 |
| Berndorf Band GmbH | 111 |
2 |
| Knauf Gips KG | 534 |
2 |
| Mass S.p.A. | 2 |
2 |
| System S.p.A. | 53 |
2 |
| Go Team CCR LLC | 12 |
2 |
| Eqtec Engineered Quartz Technology GmbH | 3 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Sharp Corporation | 10015 |
1 |
| Nikon Corporation | 7162 |
1 |
| Northrop Grumman Systems Corporation | 2940 |
1 |
| Advanced Drainage Systems, Inc. | 304 |
1 |
| Butong AB | 3 |
1 |
| Other owners | 41 |