- 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: 406
10-year publication summary
|
36
|
33
|
35
|
25
|
14
|
22
|
16
|
22
|
29
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 26105 |
13 |
| Comau S.p.A. | 172 |
9 |
| KUKA Systems GmbH | 165 |
9 |
| Vicon Machinery, LLC | 15 |
9 |
| 3m Innovative Properties Company | 17458 |
8 |
| Hyundai Motor Company | 24808 |
8 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
8 |
| JFE Steel Corporation | 7589 |
8 |
| PSA Automobiles SA | 2064 |
8 |
| Ford Global Technologies, LLC | 21560 |
7 |
| Kia Motors Corporation | 7718 |
7 |
| Hirotec Corporation | 29 |
7 |
| Mestek Machinery, Inc. | 62 |
7 |
| Nissan Motor Co., Ltd. | 13014 |
6 |
| Ingemat, S.L. | 10 |
6 |
| HVAC Inventors/Systemation, Inc. | 25 |
6 |
| GM Global Technology Operations LLC | 16188 |
5 |
| Audi AG | 7571 |
5 |
| Edag GmbH & Co. KGaA | 16 |
5 |
| Hirotec America, Inc. | 8 |
5 |
| Other owners | 260 |