- 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 22/14 - Spinning
Patent holdings for IPC class B21D 22/14
Total number of patents in this class: 129
10-year publication summary
22
|
17
|
15
|
14
|
9
|
10
|
6
|
7
|
6
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
14 |
Kawasaki Heavy Industries, Limited | 1524 |
11 |
Leifeld Metal Spinning AG | 23 |
6 |
Nihon Spindle Manufacturing Co., Ltd | 74 |
4 |
CITIC Dicastal CO., LTD | 531 |
3 |
Sango Co., Ltd. | 73 |
3 |
Wheels India Limited | 20 |
3 |
Toyota Motor Corporation | 28582 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
Calsonic Kansei Corporation | 686 |
2 |
IHI Corporation | 3268 |
2 |
Jeju National University Industry-Academic Cooperation Foundation | 124 |
2 |
Leifeld Metal Spinning GmbH | 9 |
2 |
Longkou Zhongyu Machinery Co., Ltd. | 5 |
2 |
NHK Spring Co., Ltd. | 1657 |
2 |
NPC Robotics Corporation | 11 |
2 |
Paseco Co., Ltd. | 13 |
2 |
Ronal AG | 22 |
2 |
Samtech Corporation | 13 |
2 |
Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 14 |
2 |
Other owners | 59 |