- 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 9/04 - Bending tubes using mandrels or the like the mandrel being rigid
Patent holdings for IPC class B21D 9/04
Total number of patents in this class: 26
10-year publication summary
|
1
|
1
|
4
|
4
|
5
|
3
|
1
|
3
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Futaba Industrial Co., Ltd. | 296 |
2 |
| L & P Property Management Company | 970 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Ritchie Engineering Company, Inc. | 33 |
2 |
| Stelia Aerospace | 42 |
2 |
| Airbus Atlantic | 89 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| General Electric Company | 18133 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Carrier Corporation | 4759 |
1 |
| Hendrickson USA, L.L.C. | 603 |
1 |
| Rogue Fabrication, LLC | 24 |
1 |
| Sintokogio, Ltd. | 1148 |
1 |
| Stride Tool, LLC | 56 |
1 |
| Tennine Corporation | 10 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Presta AG | 1069 |
1 |
| Titan Company Limited | 59 |
1 |
| Zhangquan Hardware Products (Kunshan) Co., Ltd | 3 |
1 |
| Benteler Mechanical Engineering GmbH | 1 |
1 |
| Other owners | 0 |