- 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 28/26 - Perforating, i.e. punching holes in sheets or flat parts
Patent holdings for IPC class B21D 28/26
Total number of patents in this class: 278
10-year publication summary
18
|
24
|
23
|
32
|
41
|
36
|
39
|
35
|
19
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
26 |
Nippon Steel Corporation | 5649 |
16 |
Wilson Tool International Inc. | 159 |
7 |
Toyota Motor Corporation | 28582 |
6 |
Denso Corporation | 23338 |
4 |
JFE Steel Corporation | 6067 |
4 |
Lapmaster Wolters GmbH | 41 |
4 |
Mitsui High-tec, Inc. | 265 |
4 |
Panasonic Corporation | 20786 |
3 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
3 |
Amada Company, Limited | 492 |
3 |
BFC Fahrzeugteile GmbH | 17 |
3 |
Feintool International Holding AG | 113 |
3 |
Milwaukee Electric Tool Corporation | 3572 |
3 |
Osaka Gas Co., Ltd. | 312 |
3 |
Salvagnini Italia S.p.A. | 52 |
3 |
TRUMPF Werkzeugmaschinen SE + Co. KG | 148 |
3 |
LG Electronics Inc. | 69257 |
2 |
Ford Motor Company | 2817 |
2 |
Ricoh Company, Ltd. | 13266 |
2 |
Other owners | 174 |