- 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 3/14 - Recontouring
Patent holdings for IPC class B21D 3/14
Total number of patents in this class: 60
10-year publication summary
2
|
5
|
4
|
5
|
6
|
5
|
5
|
7
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
9 |
LaValley Industries, LLC | 69 |
3 |
Sumitomo Metal Industries, Ltd. | 453 |
3 |
DJI Innovations Pty Ltd | 3 |
3 |
Hitachi Metals, Ltd. | 2175 |
2 |
GWS Tube Forming Solutions Inc. | 11 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Theodor Gräbener GmbH & Co. KG | 12 |
2 |
Trinity Bay Equipment Holdings, LLC | 244 |
2 |
Sif Holding N.V. | 24 |
2 |
Nantong Chaoli Rolling Machine Producing Co. Ltd. | 5 |
2 |
Honda Motor Co., Ltd. | 24537 |
1 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
Siemens Medical Solutions USA, Inc. | 1584 |
1 |
Aisin Keikinzoku Co., Ltd. | 83 |
1 |
BLM S.p.A. | 21 |
1 |
Boorwerk B.V. | 11 |
1 |
CITIC Dicastal CO., LTD | 531 |
1 |
Duro Dyne Corporation | 60 |
1 |
Other owners | 18 |