- 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 15/04 - Corrugating tubes transversely, e.g. helically
Patent holdings for IPC class B21D 15/04
Total number of patents in this class: 43
10-year publication summary
|
4
|
6
|
3
|
1
|
6
|
0
|
3
|
2
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Victaulic Company | 664 |
6 |
| Bwe Limited | 16 |
2 |
| Keylex Corporation | 48 |
2 |
| Milwaukee Electric Tool Corporation | 3572 |
2 |
| NIPPON STEEL Stainless Steel Corporation | 254 |
2 |
| Benteler Steel/Tube GmbH | 37 |
2 |
| Royal Metal Products, LLC | 15 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Hilti Aktiengesellschaft | 3227 |
1 |
| Dong-A Flexible Metal Tubes Co., Ltd. | 13 |
1 |
| DYWIDAG-Systems International GmbH | 12 |
1 |
| GrishamWorks, LLC | 1 |
1 |
| Langdon Incorporated | 10 |
1 |
| Lupke, Manfred A. A. | 15 |
1 |
| Lupke, Stefan A. | 17 |
1 |
| Nexans | 588 |
1 |
| Nippon Steel & Sumikin Metal Products Co., Ltd. | 35 |
1 |
| Novelis Deutschland GmbH | 41 |
1 |
| Other owners | 12 |