- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/16 - Making hollow objects characterised by the use of the objects
Patent holdings for IPC class B21D 51/16
Total number of patents in this class: 211
10-year publication summary
|
12
|
11
|
11
|
11
|
8
|
5
|
9
|
7
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vactronix Scientific, LLC | 83 |
5 |
| Vitesco Technologies GmbH | 2413 |
5 |
| Continental Automotive GmbH | 4691 |
4 |
| Cummins Filtration IP, Inc. | 776 |
4 |
| JFE Steel Corporation | 7163 |
4 |
| Sumitomo Heavy Industries, Ltd. | 2003 |
4 |
| Jiangsu Kangrui New Material Technology Co., Ltd. | 32 |
4 |
| Robert Bosch GmbH | 43244 |
3 |
| Cummins Filtration Inc. | 182 |
3 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
3 |
| Nisshin Steel Co., Ltd. | 392 |
3 |
| Noritz Corporation | 285 |
3 |
| Shape Corp. | 178 |
3 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 313 |
3 |
| Rtx Corporation | 9737 |
3 |
| 3m Innovative Properties Company | 17614 |
2 |
| LG Electronics Inc. | 74262 |
2 |
| Denso Corporation | 24965 |
2 |
| Ibiden Co., Ltd. | 1691 |
2 |
| Other owners | 146 |