- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 37/16 - Heating or cooling
Patent holdings for IPC class B21D 37/16
Total number of patents in this class: 721
10-year publication summary
|
51
|
51
|
70
|
72
|
35
|
48
|
46
|
49
|
33
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1953 |
45 |
| Magna International Inc. | 1242 |
30 |
| Nippon Steel Corporation | 6365 |
28 |
| ThyssenKrupp Steel Europe AG | 958 |
21 |
| Hyundai Steel Company | 441 |
17 |
| GM Global Technology Operations LLC | 15173 |
16 |
| Novelis Inc. | 762 |
14 |
| POSCO Co., Ltd. | 1574 |
13 |
| Bayerische Motoren Werke Aktiengesellschaft | 14496 |
12 |
| Autotech Engineering S.L. | 161 |
12 |
| The Boeing Company | 20131 |
10 |
| Ford Global Technologies, LLC | 20723 |
9 |
| ThyssenKrupp AG | 3311 |
9 |
| Hyundai Motor Company | 22369 |
8 |
| Kawasaki Heavy Industries, Limited | 1659 |
8 |
| MS Autotech Co., Ltd. | 20 |
8 |
| Stolle Machinery Company, LLC | 435 |
8 |
| ArcelorMittal | 2328 |
7 |
| POSCO | 2181 |
7 |
| Jiangsu University of Science and Technology | 384 |
7 |
| Other owners | 432 |