- 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: 50
10-year publication summary
|
4
|
3
|
4
|
1
|
3
|
1
|
4
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 430 |
6 |
| ArcelorMittal | 2300 |
3 |
| Alcoa Warrick LLC | 26 |
3 |
| Illinois Tool Works Inc. | 11485 |
2 |
| Guizhou Anda Aviation Forging Co., Ltd | 5 |
2 |
| Magna International Inc. | 1241 |
2 |
| Mestek, Inc. | 128 |
2 |
| ProVia Door, Inc. | 5 |
2 |
| Xerox Corporation | 6999 |
1 |
| The Boeing Company | 20090 |
1 |
| GM Global Technology Operations LLC | 15106 |
1 |
| Mitsubishi Electric Corporation | 46249 |
1 |
| FCA Italy S.p.A. | 128 |
1 |
| Aisin AW Co., Ltd. | 2325 |
1 |
| Ardagh MP Group Netherlands B.V. | 64 |
1 |
| Ball Corporation | 386 |
1 |
| Cleveland Tool & Machine, Inc. | 3 |
1 |
| Crown Packaging Technology, Inc. | 497 |
1 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
1 |
| Gi. Di. Meccanica S.p.A. | 2 |
1 |
| Other owners | 16 |