- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/28 - Folding the longitudinal seam
Patent holdings for IPC class B21D 51/28
Total number of patents in this class: 13
10-year publication summary
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Soudronic AG | 70 |
4 |
| Stolle Machinery Company, LLC | 434 |
3 |
| GM Global Technology Operations LLC | 15192 |
1 |
| Ardagh MP Group Netherlands B.V. | 64 |
1 |
| Cummins Filtration Inc. | 199 |
1 |
| Mestek Machinery, Inc. | 62 |
1 |
| SMS Meer GmbH | 64 |
1 |
| Topre Corporation | 41 |
1 |
| Other owners | 0 |