- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching 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: 22
10-year publication summary
|
2
|
0
|
2
|
2
|
3
|
2
|
0
|
0
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alleima GmbH | 28 |
4 |
| ATI Properties, Inc. | 81 |
3 |
| The Boeing Company | 20197 |
1 |
| Hyundai Motor Company | 24898 |
1 |
| Rolls-Royce PLC | 3224 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
1 |
| Korea Institute of Machinery & Materials | 801 |
1 |
| Safran Aircraft Engines | 6750 |
1 |
| Sandvik Intellectual Property AB | 1388 |
1 |
| SCHNELL S.p.A. | 95 |
1 |
| TURLA s.r.l. | 3 |
1 |
| Kanthal AB | 113 |
1 |
| Most Technik GmbH | 8 |
1 |
| Changshu Oudi Pipe Industry Co.,Ltd | 12 |
1 |
| Petro Pipe, LLC | 3 |
1 |
| Alleima Engineering GmbH | 3 |
1 |
| Societa' Metalmeccanica Friulana S.r.l. | 1 |
1 |
| Other owners | 0 |