- 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: 210
10-year publication summary
|
8
|
12
|
11
|
11
|
11
|
8
|
5
|
9
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vitesco Technologies GmbH | 2593 |
5 |
| Continental Automotive GmbH | 4759 |
4 |
| Cummins Filtration IP, Inc. | 806 |
4 |
| JFE Steel Corporation | 6992 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1958 |
4 |
| Vactronix Scientific, LLC | 87 |
4 |
| Jiangsu Kangrui New Material Technology Co., Ltd. | 32 |
4 |
| Robert Bosch GmbH | 42861 |
3 |
| Cummins Filtration Inc. | 199 |
3 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
3 |
| Nisshin Steel Co., Ltd. | 394 |
3 |
| Noritz Corporation | 282 |
3 |
| Shape Corp. | 179 |
3 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 308 |
3 |
| Rtx Corporation | 9495 |
3 |
| 3m Innovative Properties Company | 17762 |
2 |
| LG Electronics Inc. | 73714 |
2 |
| Denso Corporation | 24588 |
2 |
| Ibiden Co., Ltd. | 1720 |
2 |
| Other owners | 146 |