- 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 3/00 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
Patent holdings for IPC class B21D 3/00
Total number of patents in this class: 69
10-year publication summary
|
5
|
6
|
5
|
5
|
4
|
6
|
7
|
5
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
3 |
| Medtronic Vascular, Inc. | 1529 |
2 |
| Linde Aktiengesellschaft | 1600 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Prysmian CAVI e Sistemi Energia S.r.l. | 74 |
2 |
| Carrosserie Technic | 4 |
2 |
| Guangdong JMA Aluminum Profile Factory (Group) Co., Ltd. | 15 |
2 |
| Foshan JMA Aluminium Industry Co., Ltd. | 15 |
2 |
| Rolls-Royce PLC | 2944 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| ATI Properties, Inc. | 109 |
1 |
| AZZ WSI LLC | 20 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
1 |
| Biosense Webster (Israel) Ltd. | 1925 |
1 |
| Bombardier Transportation GmbH | 682 |
1 |
| Cleveland Tool & Machine, Inc. | 3 |
1 |
| Cummins Filtration Inc. | 171 |
1 |
| Dana Automotive Systems Group, LLC | 395 |
1 |
| Fin Tube Technology Co., Ltd. | 1 |
1 |
| Focal Point, L.L.C. | 126 |
1 |
| Other owners | 40 |