- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 28/04 - Centering the workPositioning the tools
Patent holdings for IPC class B21D 28/04
Total number of patents in this class: 77
10-year publication summary
|
4
|
6
|
5
|
12
|
3
|
4
|
5
|
10
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui High-tec, Inc. | 264 |
4 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 548 |
4 |
| Ernesto Malvestiti S.p.A. | 14 |
3 |
| Farmer Mold and Machine Works, Inc. | 6 |
3 |
| Dongguan University of Technology | 155 |
2 |
| Groz-Beckert KG | 373 |
2 |
| Nippon Steel Corporation | 6286 |
2 |
| Salvagnini Italia S.p.A. | 53 |
2 |
| Soudronic AG | 70 |
2 |
| BEAC Co., Ltd. | 35 |
2 |
| Symbio France | 59 |
2 |
| Panasonic Corporation | 20085 |
1 |
| AIL International Inc. | 66 |
1 |
| Akseli Lahtinen Oy | 1 |
1 |
| Constantia Teich GmbH | 55 |
1 |
| Cosma S.r.l. | 7 |
1 |
| Daiwa Can Company | 235 |
1 |
| Erich Utsch AG | 50 |
1 |
| Fritz Stepper GmbH & Co. KG | 4 |
1 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 40 |
1 |
| Other owners | 40 |