- 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 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: 135
10-year publication summary
12
|
15
|
16
|
16
|
9
|
11
|
12
|
10
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
18 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
12 |
Sumitomo Metal Industries, Ltd. | 453 |
11 |
Sumitomo Pipe & Tube Co., Ltd. | 11 |
8 |
WAFIOS Aktiengesellschaft | 86 |
5 |
AWS Schafer Technologie GmbH | 6 |
5 |
Greenlee Tools, Inc. | 208 |
5 |
BLM S.p.A. | 21 |
3 |
Dai-Ichi High Frequency Co., Ltd. | 34 |
3 |
Numalliance | 17 |
3 |
Addisonmckee Inc. | 7 |
2 |
AWS Schaefer Technologie GmbH | 2 |
2 |
Kabushiki Kaisha Yaskawa Denki | 1468 |
2 |
NHK Spring Co., Ltd. | 1657 |
2 |
Schwarze-Robitec GmbH | 8 |
2 |
Southwire Company, LLC | 711 |
2 |
Trinity Bay Equipment Holdings, LLC | 244 |
2 |
Brochman Innovations, LLC | 12 |
2 |
Zhejiang Zhonggong Petrifaction Equipment Co., Ltd | 2 |
2 |
Honda Motor Co., Ltd. | 24537 |
1 |
Other owners | 43 |