- 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: 100
10-year publication summary
|
3
|
8
|
7
|
7
|
8
|
11
|
8
|
4
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15199 |
20 |
| A.L.M.T. Corp. | 221 |
14 |
| Sumitomo Electric Hardmetal Corp. | 1005 |
10 |
| US Synthetic Corporation | 617 |
6 |
| Hyperion Materials & Technologies (Sweden) AB | 67 |
3 |
| Bridgestone Corporation | 7198 |
2 |
| Battelle Memorial Institute | 2453 |
2 |
| NV Bekaert SA | 755 |
2 |
| Ceratizit Luxembourg Sàrl | 38 |
2 |
| Compagnie Generale des Etablissements Michelin | 4661 |
2 |
| Hyperion Materials & Technologies, Inc. | 18 |
2 |
| Globalfoundries Inc. | 204 |
1 |
| Showa Denko K.K. | 2297 |
1 |
| ALCAN Technology & Management Ltd. | 56 |
1 |
| Audi AG | 7318 |
1 |
| Cie Automotive, S.A. | 30 |
1 |
| Diehl Metall Stiftung & Co. KG | 47 |
1 |
| Hammerer Aluminium Industries Extrusion GmbH | 4 |
1 |
| Hongduk Industrial Co., Ltd. | 21 |
1 |
| Jong Hoon Jung | 1 |
1 |
| Other owners | 26 |