- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 9/12 - Bending tubes using mandrels or the like by pushing over a curved mandrelBending tubes using mandrels or the like by pushing through a curved die
Patent holdings for IPC class B21D 9/12
Total number of patents in this class: 18
10-year publication summary
|
2
|
1
|
2
|
0
|
1
|
1
|
1
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9172 |
1 |
| Hyundai Motor Company | 24852 |
1 |
| Byte Line di Pelissero Alessandro | 4 |
1 |
| Diversitech Corporation | 237 |
1 |
| Emerson Electric Co. | 514 |
1 |
| Kume Corporation | 2 |
1 |
| Lih Yann Industrial Co., Ltd. | 65 |
1 |
| Nippon Steel Corporation | 6945 |
1 |
| Smith & Nephew Orthopaedics AG | 987 |
1 |
| Southwire Company, LLC | 810 |
1 |
| Ultra Clean Holdings, Inc. | 20 |
1 |
| Jiangsu University of Science and Technology | 397 |
1 |
| Nanchang Hangkong University | 43 |
1 |
| Nanchang Hangkong University (NCHU) | 2 |
1 |
| Patentgesellschaft Maranatha | 2 |
1 |
| Smith & Nephew Asia Pacific Pte. Limited | 721 |
1 |
| Linde GmbH | 1373 |
1 |
| Kia Corporation | 12587 |
1 |
| Other owners | 0 |