- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 1/18 - Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes from stock of limited length
Patent holdings for IPC class B21C 1/18
Total number of patents in this class: 12
10-year publication summary
|
1
|
2
|
1
|
1
|
2
|
0
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAM North America, Inc. | 10 |
3 |
| Hyundai Motor Company | 21451 |
1 |
| Audi AG | 7335 |
1 |
| Korea Institute of Machinery & Materials | 736 |
1 |
| Sandvik Materials Technology Deutschland GmbH | 59 |
1 |
| Zhejiang Jingri Technology Co., Ltd. | 12 |
1 |
| Walter Henrich GmbH | 3 |
1 |
| Kia Corporation | 9129 |
1 |
| Walter Henrich GmbH | 1 |
1 |
| Alleima GmbH | 26 |
1 |
| Other owners | 0 |