- 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 3/12 - 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 by stretching with or without twisting
Patent holdings for IPC class B21D 3/12
Total number of patents in this class: 20
10-year publication summary
|
3
|
2
|
2
|
0
|
2
|
2
|
3
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ATI Properties, Inc. | 109 |
3 |
| Alleima GmbH | 24 |
2 |
| The Boeing Company | 19843 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Yazaki Corporation | 6282 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
| Korea Institute of Machinery & Materials | 677 |
1 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1727 |
1 |
| Safran Aircraft Engines | 5739 |
1 |
| Sandvik Intellectual Property AB | 1634 |
1 |
| SCHNELL S.p.A. | 84 |
1 |
| TURLA s.r.l. | 3 |
1 |
| Kanthal AB | 95 |
1 |
| Most Technik GmbH | 4 |
1 |
| Changshu Oudi Pipe Industry Co.,Ltd | 12 |
1 |
| Petro Pipe, LLC | 3 |
1 |
| Other owners | 0 |