- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 51/00 - Making hollow objects
Patent holdings for IPC class B21D 51/00
Total number of patents in this class: 51
10-year publication summary
2
|
4
|
3
|
4
|
1
|
5
|
1
|
5
|
0
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Stolle Machinery Company, LLC | 367 |
6 |
ArcelorMittal | 1887 |
3 |
Alcoa Warrick LLC | 29 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Guizhou Anda Aviation Forging Co., Ltd | 5 |
2 |
Magna International Inc. | 1236 |
2 |
Mestek, Inc. | 131 |
2 |
ProVia Door, Inc. | 12 |
2 |
Xerox Corporation | 7503 |
1 |
The Boeing Company | 19843 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
FCA Italy S.p.A. | 143 |
1 |
Aisin AW Co., Ltd. | 2430 |
1 |
Ardagh MP Group Netherlands B.V. | 89 |
1 |
Ball Corporation | 390 |
1 |
Cleveland Tool & Machine, Inc. | 3 |
1 |
Crown Packaging Technology, Inc. | 494 |
1 |
Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
1 |
Gi. Di. Meccanica S.p.A. | 2 |
1 |
Other owners | 17 |