- 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 53/78 - Making other particular articles turbine blades
Patent holdings for IPC class B21D 53/78
Total number of patents in this class: 219
10-year publication summary
|
19
|
15
|
11
|
5
|
9
|
9
|
1
|
3
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
32 |
| GE Infrastructure Technology, LLC | 5873 |
15 |
| Rolls-Royce PLC | 2944 |
14 |
| Snecma | 1065 |
13 |
| Rtx Corporation | 8674 |
13 |
| General Electric Company | 18133 |
12 |
| SNECMA S.A. | 1160 |
9 |
| Pratt & Whitney Canada Corp. | 4215 |
6 |
| BAE SYSTEMS plc | 2215 |
6 |
| IHI Corporation | 3268 |
4 |
| MTU Aero Engines GmbH | 565 |
4 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
4 |
| Siemens AG | 24990 |
3 |
| The Boeing Company | 19843 |
3 |
| United Technologies Corporation | 2328 |
3 |
| Good Earth Tools, Inc. | 18 |
3 |
| Turbine Engine Components Technologies Corporation | 4 |
3 |
| Vestas Wind Systems A/S | 3459 |
3 |
| Institute for Metals Superplasticity Problems of The Russian Academy of Sciences (imsp Ras) | 4 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Other owners | 64 |