- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 1/24 - Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like
Patent holdings for IPC class F01D 1/24
Total number of patents in this class: 72
10-year publication summary
|
1
|
12
|
7
|
5
|
6
|
0
|
3
|
2
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13915 |
15 |
| Safran Aircraft Engines | 6727 |
15 |
| Rtx Corporation | 10127 |
10 |
| Rolls-Royce PLC | 3224 |
3 |
| Nidec Corporation | 2827 |
2 |
| ESS 2 Tech, LLC | 22 |
2 |
| The Boeing Company | 20186 |
1 |
| Honeywell International Inc. | 12776 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
1 |
| United Technologies Corporation | 2218 |
1 |
| Pratt & Whitney Canada Corp. | 5517 |
1 |
| Toshiba Corporation | 12594 |
1 |
| Caterpillar Inc. | 10280 |
1 |
| ABB Turbo Systems AG | 78 |
1 |
| 7142871 Canada Inc. | 4 |
1 |
| Baltico GmbH | 3 |
1 |
| Danfoss (Tianjin) Ltd. | 110 |
1 |
| Evapco, Inc. | 311 |
1 |
| Exergy S.p.A. | 25 |
1 |
| Fujitsu General Limited | 600 |
1 |
| Other owners | 11 |