- All sections
- B - Performing operations; transporting
- B22F - Working metallic powder; manufacture of articles from metallic powder; making metallic powder; apparatus or devices specially adapted for metallic powder
- B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
Patent holdings for IPC class B22F 5/04
Total number of patents in this class: 559
10-year publication summary
|
46
|
91
|
74
|
86
|
61
|
56
|
47
|
40
|
25
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
64 |
| General Electric Company | 18133 |
57 |
| Safran Aircraft Engines | 5739 |
48 |
| Siemens AG | 24990 |
47 |
| Siemens Energy, Inc. | 1770 |
40 |
| GE Infrastructure Technology, LLC | 5873 |
39 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
36 |
| Honeywell International Inc. | 13799 |
20 |
| United Technologies Corporation | 2328 |
14 |
| Snecma | 1065 |
12 |
| Rolls-Royce PLC | 2944 |
10 |
| Rolls-Royce Corporation | 1686 |
10 |
| SNECMA S.A. | 1160 |
9 |
| Safran Helicopter Engines | 676 |
9 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
8 |
| IHI Corporation | 3268 |
6 |
| MTU Aero Engines AG | 622 |
6 |
| Invuity, Inc. | 163 |
5 |
| MTU Aero Engines GmbH | 565 |
5 |
| Alliance | 11 |
5 |
| Other owners | 109 |