- 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 39/00 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Patent holdings for IPC class B21D 39/00
Total number of patents in this class: 611
10-year publication summary
|
43
|
30
|
43
|
35
|
42
|
31
|
21
|
23
|
17
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2719 |
23 |
| The Boeing Company | 19843 |
11 |
| RoboTire, Inc. | 29 |
11 |
| The Procter & Gamble Company | 22178 |
8 |
| NTN Corporation | 5008 |
7 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
7 |
| Machine Solutions, Inc. | 30 |
6 |
| Nippon Steel Corporation | 5649 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Toyota Motor Corporation | 28582 |
5 |
| GM Global Technology Operations LLC | 13620 |
5 |
| Cook Medical Technologies LLC | 3369 |
5 |
| Safeseal-systems | 15 |
5 |
| Rtx Corporation | 8674 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| JTEKT Corporation | 2423 |
4 |
| Hubbell Incorporated | 3052 |
4 |
| Edwards Lifesciences Corporation | 4141 |
4 |
| NHK Spring Co., Ltd. | 1657 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Other owners | 478 |