- 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 26/029 - Closing or sealing means
Patent holdings for IPC class B21D 26/029
Total number of patents in this class: 8
10-year publication summary
|
0
|
1
|
2
|
5
|
3
|
3
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korea Institute of Machinery & Materials | 677 |
2 |
| The Boeing Company | 19843 |
1 |
| Harbin Institute of Technology | 356 |
1 |
| Rohr, Inc. | 653 |
1 |
| Sungwoo Hitech Co., Ltd. | 85 |
1 |
| Zapadoceska Univerzita V Plzni | 56 |
1 |
| Korea Institute of Materials Science | 176 |
1 |
| Other owners | 0 |