- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 28/32 - Perforating, i.e. punching holes in other articles of special shape
Patent holdings for IPC class B21D 28/32
Total number of patents in this class: 43
10-year publication summary
|
13
|
2
|
12
|
3
|
10
|
6
|
1
|
3
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voestalpine Giesserei Linz GmbH | 8 |
6 |
| FIBRO GmbH | 128 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Magna International Inc. | 1236 |
2 |
| Peugeot Citroen Automobiles SA | 1903 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| Denso Corporation | 23338 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| AUST Development, LLC | 13 |
1 |
| Autotech Engineering Deutschland GmbH | 14 |
1 |
| CITIC Dicastal CO., LTD | 531 |
1 |
| Finn-Power Oy | 34 |
1 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
1 |
| Kabushiki Kaisya Yoshino Kosakujo | 1 |
1 |
| Lisa Dräxlmaier GmbH | 506 |
1 |
| Sankyo Oilless Industry, Inc. | 41 |
1 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
1 |
| Verco Decking, Inc. | 30 |
1 |
| Other owners | 9 |