- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/03 - Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially, i.e. inverted rotors
Patent holdings for IPC class F01D 5/03
Total number of patents in this class: 62
10-year publication summary
|
2
|
2
|
7
|
23
|
7
|
4
|
2
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 17794 |
24 |
| Pratt & Whitney Canada Corp. | 4445 |
8 |
| Safran Aircraft Engines | 6059 |
6 |
| Intelligent Power Generation Limited | 7 |
3 |
| Rtx Corporation | 9114 |
3 |
| Honeywell International Inc. | 14022 |
2 |
| SNECMA S.A. | 1150 |
1 |
| United Technologies Corporation | 2259 |
1 |
| Schaeffler Technologies AG & Co. KG | 9405 |
1 |
| Tsinghua University | 5708 |
1 |
| C-Power Limited | 2 |
1 |
| GE Avio S.r.l. | 247 |
1 |
| Jet-age Wind Inc. | 2 |
1 |
| Louisiana Tech Research Corporation | 50 |
1 |
| Louisiana Tech Research Foundation; a Division of Louisiana Tech University Foundation, Inc. | 2 |
1 |
| Orbis Wheels, Inc. | 12 |
1 |
| Rheinisch-westfalische Technische Hochschule Aachen | 135 |
1 |
| Rolls-Royce Corporation | 1728 |
1 |
| Safran Aero Boosters SA | 183 |
1 |
| Safran Helicopter Engines | 728 |
1 |
| Other owners | 2 |