- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 31/04 - Expanding other than provided for in groups , e.g. for making expanded metal
Patent holdings for IPC class B21D 31/04
Total number of patents in this class: 85
10-year publication summary
|
4
|
8
|
13
|
8
|
6
|
1
|
5
|
4
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACS Industries, Inc. | 47 |
6 |
| Hacanoka GmbH | 14 |
6 |
| Protektorwerk Florenz Maisch GmbH & Co. KG | 102 |
6 |
| Toyota Shatai Kabushiki Kaisha | 428 |
4 |
| The Boeing Company | 20196 |
3 |
| BFC Fahrzeugteile GmbH | 20 |
3 |
| Elfa International AB | 136 |
3 |
| Fatigue Technology, Inc. | 48 |
3 |
| STG Stanztechnik Gesellschaft mbH & Co. KG | 10 |
3 |
| Apple Inc. | 59117 |
2 |
| Philip Morris Products S.A. | 8249 |
2 |
| Weatherford Technology Holdings, LLC | 2161 |
2 |
| Industrie de Nora S.p.A. | 281 |
2 |
| GRAMMER Interior Components GmbH | 7 |
2 |
| LEKKAKIS, Petros | 2 |
2 |
| 3m Innovative Properties Company | 17459 |
1 |
| Toyota Motor Corporation | 35992 |
1 |
| Panasonic Corporation | 18809 |
1 |
| Denso Corporation | 25676 |
1 |
| Enventure Global Technology, L.L.C. | 79 |
1 |
| Other owners | 31 |