- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/52 - Making hollow objects characterised by the use of the objects boxes, cigarette cases, or the like
Patent holdings for IPC class B21D 51/52
Total number of patents in this class: 33
10-year publication summary
|
2
|
4
|
4
|
3
|
1
|
1
|
3
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Batesville Services, Inc. | 86 |
4 |
| Robert Bosch GmbH | 42505 |
2 |
| Ardagh MP Group Netherlands B.V. | 63 |
2 |
| Nippon Steel Corporation | 6181 |
2 |
| LG Electronics Inc. | 72559 |
1 |
| Continental Teves AG & Co. oHG | 1601 |
1 |
| Wistron Corporation | 2374 |
1 |
| Apex International Holding B.V. | 10 |
1 |
| Eco FM Co., Ltd. | 1 |
1 |
| Elfa International AB | 131 |
1 |
| ERICO International Corporation | 255 |
1 |
| Fontaine Holdings NV | 59 |
1 |
| Kumoh National Institute of Technology Industry-Academic Cooperation Foundation | 106 |
1 |
| Origami Steel Corp. | 8 |
1 |
| OVH | 298 |
1 |
| Robert Bosch Battery Systems LLC | 30 |
1 |
| ThyssenKrupp AG | 3271 |
1 |
| ThyssenKrupp Steel Europe AG | 950 |
1 |
| TRUMPF Laser- und Systemtechnik GmbH | 533 |
1 |
| Friedrich Air Conditioning, LLC | 64 |
1 |
| Other owners | 7 |