- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 21/06 - Shutting-down
Patent holdings for IPC class F01D 21/06
Total number of patents in this class: 50
10-year publication summary
|
7
|
7
|
5
|
3
|
3
|
0
|
2
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5210 |
13 |
| Rolls-Royce PLC | 3180 |
7 |
| Safran Aircraft Engines | 6532 |
6 |
| Rtx Corporation | 9851 |
5 |
| General Electric Company | 13819 |
2 |
| Rolls-Royce Deutschland Ltd & Co KG | 840 |
2 |
| Honda Motor Co., Ltd. | 25858 |
1 |
| Siemens AG | 24236 |
1 |
| SNECMA S.A. | 1148 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
1 |
| Toshiba Corporation | 12693 |
1 |
| Airbus Helicopters | 928 |
1 |
| Siemens Energy, Inc. | 1694 |
1 |
| GE Avio S.r.l. | 316 |
1 |
| ITAL Research & Innovation S.R.L. | 2 |
1 |
| MTU Aero Engines AG | 712 |
1 |
| Nuovo Pignone S.p.A. | 89 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
1 |
| Safran Helicopter Engines | 805 |
1 |
| GE Infrastructure Technology, LLC | 6213 |
1 |
| Other owners | 1 |