- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 7/18 - Moulds for making shaped articles with cavities or holes open to the surface the holes passing completely through the article
Patent holdings for IPC class B28B 7/18
Total number of patents in this class: 101
10-year publication summary
|
13
|
19
|
11
|
13
|
9
|
10
|
7
|
8
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pavestone, LLC | 70 |
13 |
| Rtx Corporation | 9352 |
5 |
| Progress Maschinen & Automation AG | 26 |
4 |
| Redi-Rock International, LLC | 54 |
4 |
| Corning Incorporated | 10258 |
3 |
| Speedblock Inc. | 6 |
3 |
| Four Points Developments LLC | 3 |
3 |
| HS 3D Performance GmbH | 6 |
3 |
| The Boeing Company | 20048 |
2 |
| Robert Bosch GmbH | 42647 |
2 |
| Hawkeyepedershaab Concrete Technologies, Inc. | 32 |
2 |
| Keystone Retaining Wall Systems LLC | 218 |
2 |
| Poundfield Products Limited | 5 |
2 |
| RISI Stone Inc. | 49 |
2 |
| Ruentex Engineering & Construction Co., Ltd. | 32 |
2 |
| Carbicrete Inc. | 66 |
2 |
| ARC Marine Ltd | 3 |
2 |
| Tokyo Electron Limited | 12681 |
1 |
| NGK Spark Plug Co., Ltd. | 893 |
1 |
| Hubbell Incorporated | 3259 |
1 |
| Other owners | 42 |