- 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 37/08 - Dies with different parts for several steps in a process
Patent holdings for IPC class B21D 37/08
Total number of patents in this class: 177
10-year publication summary
15
|
7
|
8
|
29
|
19
|
12
|
15
|
16
|
16
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Standard Lifters, Inc. | 92 |
26 |
Nippon Steel Corporation | 5649 |
10 |
JFE Steel Corporation | 6067 |
8 |
Magna International Inc. | 1236 |
6 |
H-one Co., Ltd. | 21 |
5 |
Shenzhen Tatfook Technology Co., Ltd. | 102 |
5 |
Honda Motor Co., Ltd. | 24537 |
4 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
ThyssenKrupp Steel Europe AG | 924 |
4 |
Autotech Engineering S.L. | 123 |
4 |
Latecoere | 168 |
3 |
Sankyo Oilless Industry, Inc. | 41 |
3 |
GM Global Technology Operations LLC | 13620 |
2 |
Hyundai Motor Company | 19021 |
2 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
Feintool International Holding AG | 113 |
2 |
Fritz Werner Industrie-Ausrüstungen GmbH | 7 |
2 |
Gestamp Umformtechnik GmbH | 6 |
2 |
Langenstein & Schemann GmbH | 40 |
2 |
Other owners | 77 |