- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 39/06 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes in openings, e.g. rolling-in
Patent holdings for IPC class B21D 39/06
Total number of patents in this class: 184
10-year publication summary
|
13
|
14
|
27
|
29
|
13
|
9
|
6
|
6
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
31 |
| Kobe Steel, Ltd. | 870 |
17 |
| Valeo Systemes Thermiques | 2706 |
7 |
| Vitesco Technologies USA, LLC. | 366 |
6 |
| Showa Denko K.K. | 2266 |
5 |
| Fatigue Technology, Inc. | 53 |
4 |
| Johnson Controls GmbH | 398 |
3 |
| Aktiebolaget SKF | 2931 |
3 |
| C.M.S. Costruzione Macchine Speciali S.r.l. | 5 |
3 |
| Kyoshin Kogyo Co., Ltd. | 26 |
3 |
| Nelson Global Products, Inc. | 24 |
3 |
| Toyota Motor Corporation | 31693 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
2 |
| Ford Global Technologies, LLC | 20498 |
2 |
| Mitsubishi Electric Corporation | 45899 |
2 |
| Daikin Industries, Ltd. | 9977 |
2 |
| BWXT Canada, Ltd. | 35 |
2 |
| Faurecia Autositze GmbH | 134 |
2 |
| MAHLE International GmbH | 2759 |
2 |
| Salzgitter Mannesmann Precision GmbH | 3 |
2 |
| Other owners | 81 |