- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 3/02 - DiesSelection of material thereforCleaning thereof
Patent holdings for IPC class B21C 3/02
Total number of patents in this class: 106
10-year publication summary
|
8
|
7
|
7
|
8
|
11
|
8
|
4
|
2
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16355 |
21 |
| A.L.M.T. Corp. | 241 |
17 |
| Sumitomo Electric Hardmetal Corp. | 1101 |
10 |
| US Synthetic Corporation | 620 |
7 |
| Hyperion Materials & Technologies (Sweden) AB | 64 |
3 |
| Bridgestone Corporation | 7262 |
2 |
| Battelle Memorial Institute | 2601 |
2 |
| NV Bekaert SA | 725 |
2 |
| Vassena Filiere s.r.l. | 6 |
2 |
| Ceratizit Luxembourg Sàrl | 42 |
2 |
| Compagnie Generale des Etablissements Michelin | 4971 |
2 |
| Hyperion Materials & Technologies, Inc. | 28 |
2 |
| Globalfoundries Inc. | 198 |
1 |
| Showa Denko K.K. | 2069 |
1 |
| Audi AG | 7561 |
1 |
| Cie Automotive, S.A. | 28 |
1 |
| Diehl Metall Stiftung & Co. KG | 43 |
1 |
| Felss Systems GmbH | 24 |
1 |
| Hammerer Aluminium Industries Extrusion GmbH | 4 |
1 |
| Hongduk Industrial Co., Ltd. | 21 |
1 |
| Other owners | 26 |