- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 39/02 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube 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: 402
10-year publication summary
|
31
|
36
|
33
|
35
|
25
|
14
|
22
|
16
|
21
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25192 |
15 |
| Comau S.p.A. | 157 |
9 |
| KUKA Systems GmbH | 170 |
9 |
| Vicon Machinery, LLC | 15 |
9 |
| 3m Innovative Properties Company | 17852 |
8 |
| Hyundai Motor Company | 21938 |
8 |
| JFE Steel Corporation | 6827 |
8 |
| PSA Automobiles SA | 2068 |
8 |
| Ford Global Technologies, LLC | 20532 |
7 |
| Kia Motors Corporation | 7757 |
7 |
| Edag GmbH & Co. KGaA | 20 |
7 |
| Hirotec Corporation | 30 |
7 |
| Mestek Machinery, Inc. | 62 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 14321 |
6 |
| Ingemat, S.L. | 10 |
6 |
| HVAC Inventors/Systemation, Inc. | 26 |
6 |
| GM Global Technology Operations LLC | 15000 |
5 |
| Nissan Motor Co., Ltd. | 12453 |
5 |
| Audi AG | 7356 |
5 |
| Hirotec America, Inc. | 8 |
5 |
| Other owners | 255 |