- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 31/00 - Other methods for working sheet metal, metal tubes, metal profiles
Patent holdings for IPC class B21D 31/00
Total number of patents in this class: 254
10-year publication summary
|
15
|
18
|
14
|
18
|
12
|
13
|
14
|
11
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20163 |
23 |
| Northwestern University | 3439 |
9 |
| JFE Steel Corporation | 7011 |
9 |
| Ford Global Technologies, LLC | 20819 |
7 |
| Powdermet, Inc. | 44 |
7 |
| The Penn State Research Foundation | 1548 |
6 |
| Figur Machine Tools LLC | 13 |
5 |
| GM Global Technology Operations LLC | 15262 |
4 |
| Nissan Motor Co., Ltd. | 12618 |
4 |
| ATI Properties LLC | 202 |
4 |
| Nippon Steel Corporation | 6439 |
4 |
| Medtronic, Inc. | 9855 |
3 |
| Hubbell Incorporated | 3335 |
3 |
| Cambridge Enterprise Limited | 1200 |
3 |
| L & P Property Management Company | 937 |
3 |
| Technische Universitat Dortmund | 98 |
3 |
| ThyssenKrupp Steel Europe AG | 962 |
3 |
| LG Chem, Ltd. | 17674 |
2 |
| Toyota Motor Corporation | 33183 |
2 |
| Hyundai Motor Company | 22580 |
2 |
| Other owners | 148 |