- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 53/78 - Making other particular articles propeller bladesMaking other particular articles turbine blades
Patent holdings for IPC class B21D 53/78
Total number of patents in this class: 193
10-year publication summary
|
11
|
5
|
9
|
9
|
1
|
3
|
0
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6777 |
27 |
| GE Infrastructure Technology, LLC | 6152 |
15 |
| Snecma | 1057 |
13 |
| Rtx Corporation | 10199 |
12 |
| Rolls-Royce PLC | 3229 |
10 |
| SNECMA S.A. | 1145 |
9 |
| General Electric Company | 13999 |
7 |
| Pratt & Whitney Canada Corp. | 5584 |
7 |
| BAE SYSTEMS plc | 2524 |
6 |
| Siemens Gamesa Renewable Energy A/S | 1976 |
4 |
| Siemens AG | 23913 |
3 |
| The Boeing Company | 20212 |
3 |
| United Technologies Corporation | 2214 |
3 |
| IHI Corporation | 3544 |
3 |
| Turbine Engine Components Technologies Corporation | 4 |
3 |
| Vestas Wind Systems A/S | 3831 |
3 |
| Institute for Metals Superplasticity Problems of The Russian Academy of Sciences (imsp Ras) | 4 |
3 |
| Hitachi Metals, Ltd. | 1813 |
2 |
| Industrial Technology Research Institute | 5199 |
2 |
| Delta Electronics, Inc. | 2869 |
2 |
| Other owners | 56 |