- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 7/16 - Auxiliary equipment, e.g. for heating or cooling of bends
Patent holdings for IPC class B21D 7/16
Total number of patents in this class: 130
10-year publication summary
|
13
|
15
|
16
|
8
|
9
|
11
|
9
|
7
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6334 |
18 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
12 |
| Sumitomo Metal Industries, Ltd. | 368 |
9 |
| Sumitomo Pipe & Tube Co., Ltd. | 7 |
6 |
| WAFIOS Aktiengesellschaft | 98 |
5 |
| AWS Schafer Technologie GmbH | 6 |
5 |
| Greenlee Tools, Inc. | 200 |
5 |
| Dai-Ichi High Frequency Co., Ltd. | 35 |
3 |
| Numalliance | 19 |
3 |
| Brochman Innovations, LLC | 15 |
3 |
| Addisonmckee Inc. | 6 |
2 |
| BLM S.p.A. | 21 |
2 |
| Kabushiki Kaisha Yaskawa Denki | 1472 |
2 |
| NHK Spring Co., Ltd. | 1879 |
2 |
| Schwarze-Robitec GmbH | 8 |
2 |
| Southwire Company, LLC | 788 |
2 |
| Zhejiang Zhonggong Petrifaction Equipment Co., Ltd | 2 |
2 |
| Honda Motor Co., Ltd. | 25425 |
1 |
| The Boeing Company | 20117 |
1 |
| GM Global Technology Operations LLC | 15150 |
1 |
| Other owners | 44 |