- 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: 70
10-year publication summary
|
2
|
1
|
12
|
7
|
5
|
6
|
0
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13838 |
15 |
| Safran Aircraft Engines | 6265 |
15 |
| Rtx Corporation | 9319 |
8 |
| Rolls-Royce PLC | 3075 |
3 |
| 7142871 Canada Inc. | 6 |
2 |
| Nidec Corporation | 2648 |
2 |
| The Boeing Company | 20031 |
1 |
| Honeywell International Inc. | 13573 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
1 |
| United Technologies Corporation | 2247 |
1 |
| Pratt & Whitney Canada Corp. | 4663 |
1 |
| Toshiba Corporation | 12317 |
1 |
| Caterpillar Inc. | 9521 |
1 |
| ABB Turbo Systems AG | 95 |
1 |
| Baltico GmbH | 3 |
1 |
| Danfoss (Tianjin) Ltd. | 97 |
1 |
| Evapco, Inc. | 288 |
1 |
| Exergy S.p.A. | 25 |
1 |
| Fujitsu General Limited | 598 |
1 |
| GE Avio S.r.l. | 267 |
1 |
| Other owners | 11 |