- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/04 - Blade-carrying members, e.g. rotors for radial-flow machines or engines
Patent holdings for IPC class F01D 5/04
Total number of patents in this class: 418
10-year publication summary
|
47
|
44
|
84
|
66
|
48
|
42
|
18
|
24
|
23
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8217 |
33 |
| BorgWarner Inc. | 2604 |
27 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
23 |
| JPMorgan Chase Bank, National Association | 10964 |
18 |
| Pratt & Whitney Canada Corp. | 4215 |
14 |
| Honeywell International Inc. | 13799 |
13 |
| Hamilton Sundstrand Corporation | 4525 |
13 |
| IHI Corporation | 3268 |
13 |
| Siemens AG | 24990 |
11 |
| Robert Bosch GmbH | 40953 |
11 |
| Concepts Nrec, LLC | 58 |
8 |
| Safran Aircraft Engines | 5739 |
8 |
| Sulzer Management AG | 613 |
8 |
| EXERGY INTERNATIONAL S.r.l. | 20 |
8 |
| Rtx Corporation | 8674 |
8 |
| Exergy S.p.A. | 25 |
7 |
| Rolls-Royce Corporation | 1686 |
7 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
7 |
| General Electric Company | 18133 |
6 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
6 |
| Other owners | 169 |