- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 31/02 - Stabbing or piercing, e.g. for making sieves
Patent holdings for IPC class B21D 31/02
Total number of patents in this class: 57
10-year publication summary
|
5
|
1
|
6
|
5
|
2
|
3
|
2
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gripmetal Limited | 41 |
7 |
| Magna International Inc. | 1242 |
3 |
| Audi AG | 7372 |
2 |
| Axiom Process Ltd. | 14 |
2 |
| Feintool International Holding AG | 97 |
2 |
| Uchiyama Manufacturing Corp. | 125 |
2 |
| Verco Decking, Inc. | 30 |
2 |
| Verne q. Powell Flutes, Inc. | 10 |
2 |
| Yasunaga Corporation | 45 |
2 |
| Doha Industry Co.,Ltd | 3 |
2 |
| Honeywell International Inc. | 13554 |
1 |
| GM Global Technology Operations LLC | 15133 |
1 |
| DENSO Marston, Ltd. | 15 |
1 |
| Ford Global Technologies, LLC | 20682 |
1 |
| Inventec Corporation | 882 |
1 |
| Lear Corporation | 1298 |
1 |
| Araki Technical and Research Co., Ltd. | 2 |
1 |
| Catalytic Combustion Corporation | 20 |
1 |
| Celerity Systems Limited | 6 |
1 |
| Christoph Burckhardt AG | 1 |
1 |
| Other owners | 21 |