- 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 13/00 - Corrugating sheet metal, rods or profiles, or bending sheet metal, rods or profiles into wave form
Patent holdings for IPC class B21D 13/00
Total number of patents in this class: 51
10-year publication summary
|
4
|
5
|
3
|
2
|
2
|
4
|
3
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hadley Industries Overseas Holdings Limited | 39 |
4 |
| Rtx Corporation | 8674 |
3 |
| Karlsruher Institut fur Technologie (KIT) | 40 |
2 |
| Pusan National University Industry-University Cooperation Foundation | 562 |
2 |
| Taiho Kogyo Co., Ltd. | 341 |
2 |
| The Boeing Company | 19843 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Denso Corporation | 23338 |
1 |
| Epcos AG | 778 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| Carrier Corporation | 4759 |
1 |
| Amcor Limited | 111 |
1 |
| Bj2 LLC | 70 |
1 |
| BlueScope Steel Limited | 223 |
1 |
| Bobst Mex SA | 542 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Cambridge Enterprise Limited | 1096 |
1 |
| Dana Canada Corporation | 284 |
1 |
| DBK David + Baader GmbH | 43 |
1 |
| Federal-Mogul Corporation | 362 |
1 |
| Other owners | 23 |