- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 1/26 - 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 traversed by the working-fluid substantially axially
Patent holdings for IPC class F01D 1/26
Total number of patents in this class: 88
10-year publication summary
|
5
|
8
|
15
|
11
|
8
|
7
|
3
|
7
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13819 |
27 |
| Safran Aircraft Engines | 6532 |
24 |
| Rtx Corporation | 9851 |
10 |
| Pratt & Whitney Canada Corp. | 5210 |
4 |
| Snecma | 1058 |
3 |
| GE Aviation Systems Limited | 273 |
2 |
| Esquare Lab Ltd | 2 |
2 |
| Rolls-Royce PLC | 3180 |
1 |
| Hamilton Sundstrand Corporation | 5014 |
1 |
| Tsinghua University | 6101 |
1 |
| Bepart B.V. | 1 |
1 |
| Danfoss (Tianjin) Ltd. | 105 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
1 |
| Nidec Corporation | 2764 |
1 |
| Reaction Engines Ltd | 47 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
1 |
| Rosen Swiss AG | 86 |
1 |
| Safran Aero Boosters SA | 185 |
1 |
| Sea-lix AS | 5 |
1 |
| Innovative Industrial Inc. | 1 |
1 |
| Other owners | 3 |