- 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 39/02 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
Patent holdings for IPC class B21D 39/02
Total number of patents in this class: 386
10-year publication summary
|
38
|
31
|
36
|
33
|
35
|
25
|
14
|
22
|
16
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
18 |
| Comau S.p.A. | 146 |
9 |
| KUKA Systems GmbH | 176 |
9 |
| Vicon Machinery, LLC | 12 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| Hyundai Motor Company | 19021 |
8 |
| JFE Steel Corporation | 6067 |
8 |
| PSA Automobiles SA | 2057 |
8 |
| Ford Global Technologies, LLC | 19702 |
7 |
| Kia Motors Corporation | 7946 |
7 |
| Edag GmbH & Co. KGaA | 20 |
7 |
| Hirotec Corporation | 28 |
7 |
| Magna International Inc. | 1236 |
6 |
| Mestek Machinery, Inc. | 59 |
6 |
| Ingemat, S.L. | 11 |
6 |
| Nissan Motor Co., Ltd. | 12249 |
5 |
| Audi AG | 7153 |
5 |
| Hirotec America, Inc. | 9 |
5 |
| GM Global Technology Operations LLC | 13620 |
4 |
| Denso Corporation | 23338 |
4 |
| Other owners | 240 |