- 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: 140
10-year publication summary
|
8
|
12
|
12
|
7
|
19
|
18
|
8
|
8
|
7
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Lifters, Inc. | 98 |
32 |
| Stolle Machinery Company, LLC | 505 |
6 |
| FIBRO GmbH | 112 |
5 |
| Hubbell Incorporated | 3448 |
3 |
| KUKA Systems North America LLC | 21 |
3 |
| Nanoprecision Products, Inc. | 29 |
3 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 519 |
3 |
| Jiangsu Yawei Machine-tool Co., Ltd. | 46 |
3 |
| Nanjing University of Posts and Telecommunications | 452 |
3 |
| DADCO, Inc. | 54 |
2 |
| EHRT Maschinenbau GmbH | 5 |
2 |
| Harbin Institute of Technology | 492 |
2 |
| Nippon Steel Corporation | 6895 |
2 |
| POSCO Co., Ltd. | 2015 |
2 |
| Stora Enso Oyj | 1650 |
2 |
| Wuxi Micro Research Co., Ltd | 15 |
2 |
| E&S Enterprises Inc. | 4 |
2 |
| Huizhou Honorfaith Furniture Co., Ltd. | 5 |
2 |
| TRUMPF Werkzeugmaschinen SE + Co. KG | 322 |
2 |
| Flexsteel USA, LLC | 167 |
2 |
| Other owners | 57 |