- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/00 - Making hollow objects
Patent holdings for IPC class B21D 51/00
Total number of patents in this class: 48
10-year publication summary
|
3
|
4
|
1
|
5
|
1
|
5
|
0
|
3
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0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 509 |
6 |
| ArcelorMittal | 2725 |
3 |
| Illinois Tool Works Inc. | 11867 |
2 |
| Guizhou Anda Aviation Forging Co., Ltd | 6 |
2 |
| Magna International Inc. | 1174 |
2 |
| Mestek, Inc. | 125 |
2 |
| ProVia Door, Inc. | 5 |
2 |
| Xerox Corporation | 4382 |
1 |
| The Boeing Company | 20197 |
1 |
| GM Global Technology Operations LLC | 16219 |
1 |
| Mitsubishi Electric Corporation | 48287 |
1 |
| FCA Italy S.p.A. | 122 |
1 |
| Aisin AW Co., Ltd. | 2250 |
1 |
| Ardagh MP Group Netherlands B.V. | 62 |
1 |
| Ball Corporation | 401 |
1 |
| Cleveland Tool & Machine, Inc. | 3 |
1 |
| Crown Packaging Technology, Inc. | 477 |
1 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
1 |
| Gi. Di. Meccanica S.p.A. | 2 |
1 |
| Hangzhou Hpwinner Opto Corporation | 106 |
1 |
| Other owners | 16 |