- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 22/20 - Deep-drawing
Patent holdings for IPC class B21D 22/20
Total number of patents in this class: 1152
10-year publication summary
|
99
|
101
|
122
|
102
|
67
|
71
|
75
|
71
|
67
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6271 |
178 |
| JFE Steel Corporation | 6853 |
133 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
77 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2871 |
57 |
| ThyssenKrupp Steel Europe AG | 956 |
25 |
| ArcelorMittal | 2292 |
21 |
| Bayerische Motoren Werke Aktiengesellschaft | 14394 |
20 |
| Stolle Machinery Company, LLC | 426 |
15 |
| Sumitomo Heavy Industries, Ltd. | 1929 |
14 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12790 |
13 |
| Autotech Engineering S.L. | 157 |
12 |
| Honda Motor Co., Ltd. | 25301 |
11 |
| Benteler Automobiltechnik GmbH | 289 |
9 |
| Nisshin Steel Co., Ltd. | 394 |
9 |
| Magna International Inc. | 1231 |
8 |
| ThyssenKrupp AG | 3290 |
8 |
| Toyoda Iron Works Co., Ltd. | 279 |
8 |
| Hyundai Motor Company | 22044 |
7 |
| G-Tekt Corporation | 42 |
7 |
| Kobe Steel, Ltd. | 876 |
7 |
| Other owners | 513 |