- 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 22/16 - Spinning over shaping mandrels or formers
Patent holdings for IPC class B21D 22/16
Total number of patents in this class: 205
10-year publication summary
20
|
19
|
17
|
17
|
14
|
19
|
17
|
18
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ThyssenKrupp Steel Europe AG | 924 |
13 |
Leifeld Metal Spinning AG | 23 |
11 |
Alfa Laval Corporate AB | 1265 |
9 |
Nihon Spindle Manufacturing Co., Ltd | 74 |
8 |
Repkon Machine and Tool Industry and Trade Inc. | 10 |
8 |
Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 14 |
8 |
Winkelmann Powertrain Components GmbH & Co. KG | 23 |
8 |
Federal-Mogul Valvetrain GmbH | 60 |
7 |
Victaulic Company | 664 |
6 |
Kayaba Industry Co., Ltd. | 376 |
5 |
ThyssenKrupp AG | 3086 |
5 |
Topy Kogyo Kabushiki Kaisha | 115 |
5 |
Accel Performance Group LLC | 91 |
4 |
Saint Jean Industries | 46 |
4 |
South China University of Technology | 1581 |
3 |
Wf-maschinenbau U. Blechformtechnik GmbH & Co. KG | 3 |
3 |
Rtx Corporation | 8674 |
3 |
Kawasaki Heavy Industries, Limited | 1524 |
2 |
Cambridge Enterprise Limited | 1096 |
2 |
Gates Corporation | 1182 |
2 |
Other owners | 89 |