- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 13/04 - FramesGuides
Patent holdings for IPC class B21J 13/04
Total number of patents in this class: 39
10-year publication summary
|
0
|
5
|
2
|
3
|
2
|
6
|
6
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Langenstein & Schemann GmbH | 42 |
4 |
| SMS Group GmbH | 1188 |
3 |
| Standard Lifters, Inc. | 98 |
3 |
| NSK Ltd. | 2827 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 717 |
2 |
| John Mezzalingua Associates, LLC | 347 |
2 |
| AIDA Europe GmbH | 7 |
2 |
| SNECMA S.A. | 1147 |
1 |
| Cell Impact AB | 20 |
1 |
| Cosma S.r.l. | 7 |
1 |
| Jilin University | 298 |
1 |
| Liebherr-Aerospace Lindenberg GmbH | 131 |
1 |
| Magna Powertrain GmbH & Co KG | 348 |
1 |
| Nanjing Develop Advanced Manufacturing Co., Ltd. | 12 |
1 |
| Promess, Inc., DBA Promess Incorporated | 8 |
1 |
| Ridge Tool Company | 133 |
1 |
| Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG | 137 |
1 |
| Steuler Korrosionsschutz Holding GmbH | 38 |
1 |
| System S.p.A. | 44 |
1 |
| Wepuko Pahnke GmbH | 15 |
1 |
| Other owners | 8 |