- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 28/22 - Notching the peripheries of circular blanks, e.g. laminations for dynamo-electric machines
Patent holdings for IPC class B21D 28/22
Total number of patents in this class: 68
10-year publication summary
3
|
6
|
2
|
11
|
8
|
5
|
5
|
4
|
6
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42689 |
13 |
Mitsui High-tec, Inc. | 265 |
11 |
HSF Automation GmbH | 9 |
5 |
Corrada S.p.A. | 21 |
4 |
Ernesto Malvestiti S.p.A. | 14 |
3 |
Toyota Motor Corporation | 32116 |
2 |
Panasonic Corporation | 20110 |
2 |
Feintool International Holding AG | 97 |
2 |
JFE Steel Corporation | 6840 |
2 |
Toyota Boshoku Kabushiki Kaisha | 1402 |
2 |
Voestalpine Stahl GmbH | 355 |
2 |
Siemens Gamesa Renewable Energy A/S | 1880 |
2 |
GM Global Technology Operations LLC | 15042 |
1 |
Ford Global Technologies, LLC | 20570 |
1 |
Nissan Motor Co., Ltd. | 12484 |
1 |
Schaeffler Technologies AG & Co. KG | 9873 |
1 |
Board of Regents, The University of Texas System | 5793 |
1 |
AIDA Engineering, Ltd. | 134 |
1 |
Ged Integrated Solutions, Inc. | 124 |
1 |
IPG Photonics Corporation | 529 |
1 |
Other owners | 10 |