- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 3/22 - Producing shaped articles from the material by using presses; Presses 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: 76
10-year publication summary
|
4
|
6
|
2
|
12
|
11
|
7
|
6
|
3
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
12 |
| Sumitomo Chemical Company, Limited | 8808 |
8 |
| United States Gypsum Company | 1019 |
8 |
| Elematic Oy Ab | 12 |
6 |
| NGK Insulators, Ltd. | 4589 |
5 |
| XtreeE | 12 |
4 |
| Elastic Potential, S.L. | 7 |
3 |
| B.T. Innovation GmbH | 48 |
2 |
| Comadur S.A. | 81 |
2 |
| Sika Technology AG | 2650 |
2 |
| Concore BV | 5 |
2 |
| COBOD International A/S | 6 |
2 |
| Ibiden Co., Ltd. | 1724 |
1 |
| D & D Manufacturing | 7 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
1 |
| Gimac di Maccagnan Giorgio | 17 |
1 |
| The Intellectual Gorilla GmbH | 31 |
1 |
| Kolon Plastics, Inc. | 69 |
1 |
| Nidec-Shimpo Corporation | 94 |
1 |
| O.m.g. SRL | 24 |
1 |
| Other owners | 12 |