- 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 3/10 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
Patent holdings for IPC class B21D 3/10
Total number of patents in this class: 57
10-year publication summary
|
5
|
2
|
6
|
5
|
9
|
6
|
1
|
6
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M a e Maschinen-und Apparatebau Gotzen GmbH | 6 |
3 |
| Rattunde AG | 66 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
| Eisenbau Kramer GmbH | 13 |
2 |
| National Oilwell Varco, L.P. | 1604 |
2 |
| Theodor Gräbener GmbH & Co. KG | 12 |
2 |
| United States Steel Corporation | 168 |
2 |
| Sif Holding N.V. | 24 |
2 |
| Kyung Nam Metal Co., Ltd. | 3 |
2 |
| Laubinger + Rickmann GmbH & Co. KG | 2 |
2 |
| Apple Inc. | 50209 |
1 |
| The Boeing Company | 19843 |
1 |
| Hitachi Chemical Company, Ltd. | 2455 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Areva NC | 135 |
1 |
| Benteler Automobiltechnik GmbH | 258 |
1 |
| Other owners | 25 |