- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 22/14 - Spinning
Patent holdings for IPC class B21D 22/14
Total number of patents in this class: 129
10-year publication summary
|
17
|
15
|
14
|
9
|
9
|
6
|
7
|
6
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3035 |
14 |
| Kawasaki Heavy Industries, Limited | 1641 |
10 |
| Leifeld Metal Spinning AG | 23 |
6 |
| Nihon Spindle Manufacturing Co., Ltd | 78 |
4 |
| CITIC Dicastal CO., LTD | 560 |
3 |
| Wheels India Limited | 23 |
3 |
| Toyota Motor Corporation | 32450 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
2 |
| IHI Corporation | 3450 |
2 |
| Jeju National University Industry-Academic Cooperation Foundation | 156 |
2 |
| Leifeld Metal Spinning GmbH | 10 |
2 |
| Longkou Zhongyu Machinery Co., Ltd. | 5 |
2 |
| NHK Spring Co., Ltd. | 1870 |
2 |
| NPC Robotics Corporation | 12 |
2 |
| Paseco Co., Ltd. | 13 |
2 |
| Ronal AG | 23 |
2 |
| Samtech Corporation | 13 |
2 |
| Sango Co., Ltd. | 70 |
2 |
| ThyssenKrupp Steel Europe AG | 956 |
2 |
| Nantong Fuleda Vehicle Accessory Component Co., Ltd | 5 |
2 |
| Other owners | 61 |