- 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 26/045 - Closing or sealing means
Patent holdings for IPC class B21D 26/045
Total number of patents in this class: 40
10-year publication summary
4
|
3
|
6
|
6
|
2
|
3
|
2
|
3
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Heavy Industries, Ltd. | 1670 |
11 |
Belvac Production Machinery, Inc. | 132 |
5 |
Dalian University of Technology | 1387 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Ortic 3D AB | 9 |
2 |
ThyssenKrupp Steel Europe AG | 924 |
2 |
Ford Global Technologies, LLC | 19702 |
1 |
CRIPPA S.p.A. | 11 |
1 |
Heraeus Medical GmbH | 277 |
1 |
National Research Council of Canada | 1545 |
1 |
Olympus Winter & Ibe GmbH | 620 |
1 |
POSCO | 2222 |
1 |
Salzgitter Mannesmann Line Pipe GmbH | 15 |
1 |
Standard Lifters, Inc. | 92 |
1 |
ThyssenKrupp Presta Teccenter AG | 241 |
1 |
Qingdao Scan Equipment Technology Co., Ltd. | 2 |
1 |
Citadel Casing Solutions, LLC | 23 |
1 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
1 |
DaimlerChrysler AG | 574 |
1 |
Fachhochschule Koln | 7 |
1 |
Other owners | 2 |