- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 39/00 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders
Patent holdings for IPC class B21D 39/00
Total number of patents in this class: 549
10-year publication summary
|
43
|
35
|
43
|
31
|
22
|
24
|
17
|
24
|
10
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2840 |
23 |
| The Reinalt-Thomas Corporation | 64 |
10 |
| Nippon Steel Corporation | 6932 |
9 |
| The Procter & Gamble Company | 21852 |
8 |
| The Boeing Company | 20186 |
7 |
| NTN Corporation | 4925 |
7 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
7 |
| Cook Medical Technologies LLC | 3175 |
5 |
| Edwards Lifesciences Corporation | 4888 |
5 |
| Safeseal-systems | 14 |
5 |
| Honda Motor Co., Ltd. | 26105 |
4 |
| Toyota Motor Corporation | 35927 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
4 |
| GM Global Technology Operations LLC | 16188 |
4 |
| Nike, Inc. | 14874 |
4 |
| NHK Spring Co., Ltd. | 1992 |
4 |
| Karl STORZ SE & Co. KG | 1788 |
4 |
| Eaton Intelligent Power Limited | 6268 |
4 |
| Abbott Cardiovascular Systems, Inc. | 1017 |
3 |
| Mitsubishi Electric Corporation | 48172 |
3 |
| Other owners | 425 |