- 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 53/30 - Making other particular articles wheels or the like wheel rims
Patent holdings for IPC class B21D 53/30
Total number of patents in this class: 106
10-year publication summary
|
9
|
8
|
10
|
8
|
24
|
13
|
9
|
4
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CITIC Dicastal CO., LTD | 531 |
13 |
| Topy Kogyo Kabushiki Kaisha | 115 |
9 |
| Central Motor Wheel Co., Ltd. | 92 |
8 |
| Saint Jean Industries | 46 |
6 |
| ThyssenKrupp AG | 3086 |
6 |
| ThyssenKrupp Steel Europe AG | 924 |
5 |
| Fontijne Grotnes B.V. | 6 |
3 |
| Leifeld Metal Spinning AG | 23 |
3 |
| Hyundai Motor Company | 19021 |
2 |
| Bridgestone Corporation | 7067 |
2 |
| Audi AG | 7153 |
2 |
| Ronal AG | 22 |
2 |
| Wf-maschinenbau und Blechformtechnik GmbH & Co. KG | 14 |
2 |
| Hyundai Sungwoo Casting Co., Ltd. | 9 |
2 |
| Maxion Wheels Germany Holding GmbH | 19 |
2 |
| Alexander Wilden Beteiligungen GmbH | 3 |
2 |
| Kia Motors Corporation | 7946 |
1 |
| ALCAN Rhenalu | 28 |
1 |
| Borbet Austria GmbH | 4 |
1 |
| Gates Corporation | 1182 |
1 |
| Other owners | 33 |