- 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: 566
10-year publication summary
|
30
|
39
|
34
|
41
|
30
|
21
|
24
|
16
|
24
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2791 |
23 |
| The Reinalt-Thomas Corporation | 63 |
10 |
| The Boeing Company | 20117 |
9 |
| The Procter & Gamble Company | 22000 |
8 |
| NTN Corporation | 4970 |
7 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
7 |
| Nippon Steel Corporation | 6334 |
7 |
| Honda Motor Co., Ltd. | 25425 |
5 |
| Cook Medical Technologies LLC | 3227 |
5 |
| Edwards Lifesciences Corporation | 4760 |
5 |
| Safeseal-systems | 16 |
5 |
| Toyota Motor Corporation | 32788 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
4 |
| GM Global Technology Operations LLC | 15150 |
4 |
| Nike, Inc. | 14238 |
4 |
| NHK Spring Co., Ltd. | 1879 |
4 |
| Eaton Intelligent Power Limited | 6014 |
4 |
| Asensus Surgical US, Inc, FORMERLY Transenterix Surgical, Inc. | 118 |
4 |
| Abbott Cardiovascular Systems, Inc. | 1113 |
3 |
| NGK Insulators, Ltd. | 5016 |
3 |
| Other owners | 441 |