- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 37/12 - Particular guiding equipmentSpecial arrangements for interconnection or cooperation of dies
Patent holdings for IPC class B21D 37/12
Total number of patents in this class: 139
10-year publication summary
|
10
|
8
|
12
|
12
|
7
|
18
|
15
|
7
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Lifters, Inc. | 97 |
32 |
| Stolle Machinery Company, LLC | 450 |
6 |
| FIBRO GmbH | 127 |
5 |
| Hubbell Incorporated | 3352 |
3 |
| KUKA Systems North America LLC | 21 |
3 |
| Nanoprecision Products, Inc. | 30 |
3 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 539 |
3 |
| Jiangsu Yawei Machine-tool Co., Ltd. | 45 |
3 |
| Nanjing University of Posts and Telecommunications | 424 |
3 |
| DADCO, Inc. | 53 |
2 |
| EHRT Maschinenbau GmbH | 5 |
2 |
| Harbin Institute of Technology | 455 |
2 |
| Nippon Steel Corporation | 6482 |
2 |
| POSCO Co., Ltd. | 1592 |
2 |
| Stora Enso Oyj | 1665 |
2 |
| Wuxi Micro Research Co., Ltd | 16 |
2 |
| E&S Enterprises Inc. | 4 |
2 |
| Huizhou Honorfaith Furniture Co., Ltd. | 5 |
2 |
| TRUMPF Werkzeugmaschinen SE + Co. KG | 266 |
2 |
| Flexsteel USA, LLC | 165 |
2 |
| Other owners | 56 |