- All sections
- B - Performing operations; transporting
- B21J - Forging; hammering; pressing metal; riveting; forge furnaces
- B21J 13/04 - Frames; Guides
Patent holdings for IPC class B21J 13/04
Total number of patents in this class: 37
10-year publication summary
|
5
|
0
|
5
|
2
|
3
|
2
|
6
|
4
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Langenstein & Schemann GmbH | 41 |
3 |
| Standard Lifters, Inc. | 92 |
3 |
| NSK Ltd. | 2735 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
2 |
| John Mezzalingua Associates, LLC | 280 |
2 |
| SMS Group GmbH | 1079 |
2 |
| AIDA Europe GmbH | 8 |
2 |
| SNECMA S.A. | 1150 |
1 |
| Cell Impact AB | 20 |
1 |
| Cosma S.r.l. | 7 |
1 |
| FCI | 473 |
1 |
| FCI Americas Technology, Inc. | 124 |
1 |
| Jilin University | 249 |
1 |
| Liebherr-Aerospace Lindenberg GmbH | 117 |
1 |
| Magna Powertrain GmbH & Co KG | 297 |
1 |
| Nanjing Develop Advanced Manufacturing Co., Ltd. | 12 |
1 |
| Promess, Inc., DBA Promess Incorporated | 10 |
1 |
| Ridge Tool Company | 128 |
1 |
| Steuler Korrosionsschutz Holding GmbH | 38 |
1 |
| System S.p.A. | 50 |
1 |
| Other owners | 8 |