- 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 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: 59
10-year publication summary
4
|
5
|
1
|
6
|
6
|
2
|
3
|
2
|
0
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Gripmetal Limited | 53 |
8 |
Magna International Inc. | 1236 |
3 |
Audi AG | 7153 |
2 |
Axiom Process Ltd. | 16 |
2 |
Feintool International Holding AG | 113 |
2 |
Uchiyama Manufacturing Corp. | 119 |
2 |
Verco Decking, Inc. | 30 |
2 |
Verne q. Powell Flutes, Inc. | 13 |
2 |
Yasunaga Corporation | 43 |
2 |
Doha Industry Co.,Ltd | 3 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Honeywell International Inc. | 13799 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
DENSO Marston, Ltd. | 16 |
1 |
Ford Global Technologies, LLC | 19702 |
1 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
Inventec Corporation | 797 |
1 |
Araki Technical and Research Co., Ltd. | 2 |
1 |
Catalytic Combustion Corporation | 20 |
1 |
Celerity Systems Limited | 6 |
1 |
Other owners | 22 |