- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping 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: 102
10-year publication summary
|
13
|
13
|
19
|
11
|
13
|
9
|
10
|
7
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pavestone, LLC | 76 |
14 |
| Rtx Corporation | 8674 |
5 |
| Progress Maschinen & Automation AG | 29 |
4 |
| Redi-Rock International, LLC | 41 |
4 |
| Speedblock Inc. | 6 |
3 |
| Four Points Developments LLC | 3 |
3 |
| HS 3D Performance GmbH | 6 |
3 |
| The Boeing Company | 19843 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Corning Incorporated | 9932 |
2 |
| Keystone Retaining Wall Systems LLC | 228 |
2 |
| Poundfield Products Limited | 6 |
2 |
| RISI Stone Inc. | 54 |
2 |
| Ruentex Engineering & Construction Co., Ltd. | 29 |
2 |
| Solidia Technologies, Inc. | 113 |
2 |
| Tokyo Electron Limited | 11599 |
1 |
| NGK Spark Plug Co., Ltd. | 935 |
1 |
| Hubbell Incorporated | 3052 |
1 |
| Alwatan Units Co., LLC | 1 |
1 |
| Atlantis Marine Habitats, LLC | 4 |
1 |
| Other owners | 45 |