- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 7/30 - CoresMandrels adjustable, collapsible, or expanding
Patent holdings for IPC class B28B 7/30
Total number of patents in this class: 74
10-year publication summary
|
7
|
6
|
4
|
3
|
8
|
2
|
4
|
3
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20193 |
5 |
| PERI SE | 441 |
5 |
| Watt Fuel Cell Corp. | 170 |
4 |
| GM Global Technology Operations LLC | 16232 |
2 |
| Raytheon Company | 8443 |
2 |
| Dynasty Footwear, Ltd. | 159 |
2 |
| Ratec Maschinenentwicklungs- und Verwaltungs-GmbH | 7 |
2 |
| Relign Corporation | 105 |
2 |
| Quantamatrix Inc. | 48 |
2 |
| CAG Building Engineering (Tian Jin) Co. Ltd. | 3 |
2 |
| Airbus S.A.S. | 986 |
1 |
| Corning Incorporated | 10538 |
1 |
| Cook Medical Technologies LLC | 3196 |
1 |
| ABT, Inc. | 98 |
1 |
| Alwatan Units Co., LLC | 1 |
1 |
| Concrete Systems, Inc. | 8 |
1 |
| Connector Vinkeveen B.V. | 1 |
1 |
| Conseil Service Investissements | 3 |
1 |
| DORST Technologies GmbH & Co. KG | 39 |
1 |
| Elematic Oy Ab | 11 |
1 |
| Other owners | 36 |