- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/02 - Making hollow objects characterised by the structure of the objects
Patent holdings for IPC class B21D 51/02
Total number of patents in this class: 37
10-year publication summary
|
2
|
2
|
3
|
2
|
2
|
1
|
1
|
1
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krip LLC | 4 |
4 |
| Belvac Production Machinery, Inc. | 150 |
2 |
| Nippon Steel Corporation | 6919 |
2 |
| Pantero Technologies Inc. | 12 |
2 |
| ThyssenKrupp Steel Europe AG | 993 |
2 |
| The Western States Machine Company | 17 |
2 |
| Zieta Prozessdesign Sp. z o.o. | 32 |
2 |
| Alcoa Warrick LLC | 11 |
2 |
| Rtx Corporation | 10116 |
2 |
| Toyota Motor Corporation | 35906 |
1 |
| Hyundai Motor Company | 24787 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 1108 |
1 |
| Bell Helicopter Textron Inc. | 958 |
1 |
| Kanemitsu Corporation | 10 |
1 |
| Modine Manufacturing Company | 301 |
1 |
| Safran Nacelles | 804 |
1 |
| South China University of Technology | 1911 |
1 |
| ThyssenKrupp AG | 3386 |
1 |
| ThyssenKrupp Presta AG | 1109 |
1 |
| Anhui Tatfook Technology Co., Ltd. | 22 |
1 |
| Other owners | 6 |