- All sections
- B - Performing operations; transporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; auxiliary operations used in connection with metal-working without essentially removing material
- B21C 3/02 - Dies; Selection of material therefor; Cleaning thereof
Patent holdings for IPC class B21C 3/02
Total number of patents in this class: 96
10-year publication summary
9
|
3
|
8
|
7
|
7
|
8
|
11
|
7
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Electric Industries, Ltd. | 14131 |
20 |
A.L.M.T. Corp. | 209 |
13 |
Sumitomo Electric Hardmetal Corp. | 969 |
10 |
US Synthetic Corporation | 601 |
6 |
Hyperion Materials & Technologies (Sweden) AB | 75 |
3 |
Bridgestone Corporation | 7067 |
2 |
Battelle Memorial Institute | 2356 |
2 |
NV Bekaert SA | 750 |
2 |
Ceratizit Luxembourg Sàrl | 38 |
2 |
Compagnie Generale des Etablissements Michelin | 4450 |
2 |
Hyperion Materials & Technologies, Inc. | 13 |
2 |
Globalfoundries Inc. | 205 |
1 |
Showa Denko K.K. | 2539 |
1 |
ALCAN Technology & Management Ltd. | 68 |
1 |
Audi AG | 7153 |
1 |
Cie Automotive, S.A. | 30 |
1 |
Diehl Metall Stiftung & Co. KG | 50 |
1 |
Hammerer Aluminium Industries Extrusion GmbH | 4 |
1 |
Hongduk Industrial Co., Ltd. | 20 |
1 |
Jong Hoon Jung | 1 |
1 |
Other owners | 23 |